Appears 89 times in the Quran. (Root: علم)
  1. And when it is said to them: Believe as the people believe they say: Shall we believe as the fools believe? Now surely they themselves are the fools, but they do not know.

  2. Surely Allah is not ashamed to set forth any parable-- (that of) a gnat or any thing above that; then as for those who believe, they know that it is the truth from their Lord, and as for those who disbelieve, they say: What is it that Allah means by this parable: He causes many to err by it and many He leads aright by it! but He does not cause to err by it (any) except the transgressors,

  3. Do you then hope that they would believe in you, and a party from among them indeed used to hear the Word of Allah, then altered it after they had understood it, and they know (this).

  4. Do they not know that Allah knows what they keep secret and what they make known?

  5. And there are among them illiterates who know not the Book but only lies, and they do but conjecture.

  6. And when there came to them a Messenger from Allah verifying that which they have, a party of those who were given the Book threw the Book of Allah behind their backs as if they knew nothing.

  7. And they followed what the Shaitans chanted of sorcery in the reign of Sulaiman, and Sulaiman was not an unbeliever, but the Shaitans disbelieved, they taught men sorcery and that was sent down to the two angels at Babel, Harut and Marut, yet these two taught no man until they had said, "Surely we are only a trial, therefore do not be a disbeliever." Even then men learned from these two, magic by which they might cause a separation between a man and his wife; and they cannot hurt with it any one except with Allah's permission, and they learned what harmed them and did not profit them, and certainly they know that he who bought it should have no share of good in the hereafter and evil was the price for which they sold their souls, had they but known this.

  8. And if they had believed and guarded themselves (against evil), reward from Allah would certainly have been better; had they but known (this).

  9. And the Jews say: The Christians do not follow anything (good) and the Christians say: The Jews do not follow anything (good) while they recite the (same) Book. Even thus say those who have no knowledge, like to what they say; so Allah shall judge between them on the day of resurrection in what they differ.

  10. And those who have no knowledge say: Why does not Allah speak to us or a sign come to us? Even thus said those before them, the like of what they say; their hearts are all alike. Indeed We have made the communications clear for a people who are sure.

  11. Indeed We see the turning of your face to heaven, so We shall surely turn you to a qiblah which you shall like; turn then your face towards the Sacred Mosque, and wherever you are, turn your face towards it, and those who have been given the Book most surely know that it is the truth from their Lord; and Allah is not at all heedless of what they do.

  12. Those whom We have given the Book recognize him as they recognize their sons, and a party of them most surely conceal the truth while they know (it).

  13. So if he divorces her she shall not be lawful to him afterwards until she marries another husband; then if he divorces her there is no blame on them both if they return to each other (by marriage), if they think that they can keep within the limits of Allah, and these are the limits of Allah which He makes clear for a people who know.

  14. And among the followers of the Book there are some such that if you entrust one (of them) with a heap of wealth, he shall pay it back to you; and among them there are some such that if you entrust one (of them) with a dinar he shall not pay it back to you except so long as you remain firm in demanding it; this is because they say: There is not upon us in the matter of the unlearned people any way (to reproach); and they tell a lie against Allah while they know.

  15. Most surely there is a party amongst those who distort the Book with their tongue that you may consider it to be (a part) of the Book, and they say, It is from Allah, while it is not from Allah, and they tell a lie against Allah whilst they know.

  16. And those who when they commit an indecency or do injustice to their souls remember Allah and ask forgiveness for their faults-- and who forgives the faults but Allah, and (who) do not knowingly persist in what they have done.

  17. And when it is said to them, Come to what Allah has revealed and to the Messenger, they say: That on which we found our fathers is sufficient for us. What! even though their fathers knew nothing and did not follow the right way.

  18. And they say: Why has not a sign been sent down to him from his Lord? Say: Surely Allah is able to send down a sign, but most of them do not know.

  19. And He it is Who has made the stars for you that you might follow the right way thereby in the darkness of the land and the sea; truly We have made plain the communications for a people who know.

  20. And thus do We repeat the communications and that they may say: You have read; and that We may make it clear to a people who know.

  21. Shall I then seek a judge other than Allah? And He it is Who has revealed to you the Book (which is) made plain; and those whom We have given the Book know that it is revealed by your Lord with truth, therefore you should not be of the disputers.

  22. Say: Who has prohibited the embellishment of Allah which He has brought forth for His servants and the good provisions? Say: These are for the believers in the life of this world, purely (theirs) on the resurrection day; thus do We make the communications clear for a people who know.

  23. But when good befell them they said: This is due to us; and when evil afflicted them, they attributed it to the ill-luck of Musa and those with him; surely their evil fortune is only from Allah but most of them do not know.

  24. And (as to) those who reject Our communications, We draw them near (to destruction) by degrees from whence they know not.

  25. They ask you about the hour, when will be its taking place? Say: The knowledge of it is only with my Lord; none but He shall manifest it at its time; it will be momentous in the heavens and the earth; it will not come on you but of a sudden. They ask you as if you were solicitous about it. Say: Its knowledge is only with Allah, but most people do not know.

  26. And what (excuse) have they that Allah should not chastise them while they hinder (men) from the Sacred Mosque and they are not (fit to be) guardians of it; its guardians are only those who guard (against evil), but most of them do not know.

  27. And if one of the idolaters seek protection from you, grant him protection till he hears the word of Allah, then make him attain his place of safety; this is because they are a people who do not know.

  28. But if they repent and keep up prayer and pay the poor-rate, they are your brethren in faith; and We make the communications clear for a people who know.

  29. The way (to blame) is only against those who ask permission of you though they are rich; they have chosen to be with those who remained behind, and Allah has set a seal upon their hearts so they do not know.

  30. He it is Who made the sun a shining brightness and the moon a light, and ordained for it mansions that you might know the computation of years and the reckoning. Allah did not create it but with truth; He makes the signs manifest for a people who

  31. Now surely Allah's is what is in the heavens and the earth; now surely Allah's promise is true, but most of them do not know.

  32. He said: The prayer of you both has indeed been accepted, therefore continue in the right way and do not follow the path of those who do not know.

  33. And the Egyptian who bought him said to his wife: Give him an honorable abode, maybe he will be useful to us, or we may adopt him as a son. And thus did We establish Yusuf in the land and that We might teach him the interpretation of sayings; and Allah is the master of His affair, but most people do not know.

  34. You do not serve besides Him but names which you have named, you and your fathers; Allah has not sent down any authority for them; judgment is only Allah's; He has commanded that you shall not serve aught but Him; this is the right religion but most people do not know:

  35. Yusuf! O truthful one! explain to us seven fat kine which seven lean ones devoured, and seven green ears and (seven) others dry, that I may go back to the people so that they may know.

  36. And when they had entered as their father had bidden them, it did not avail them aught against Allah, but (it was only) a desire in the soul of Yaqoub which he satisfied; and surely he was possessed of knowledge because We had given him knowledge, but most people do not know.

  37. Leave them that they may eat and enjoy themselves and (that) hope may beguile them, for they will soon know.

  38. Those who set up another god with Allah; so they shall soon know.

  39. And they swear by Allah with the most energetic of their oaths: Allah will not raise up him who dies. Yea! it is a promise binding on Him, quite true, but most people do not know;

  40. And those who fly for Allah's sake after they are oppressed, We will most certainly give them a good abode in the world, and the reward of the hereafter is certainly much greater, did they but know;

  41. And they set apart for what they do not know a portion of what We have given them. By Allah, you shall most certainly be questioned about that which you forged.

  42. Allah sets forth a parable: (consider) a slave, the property of another, (who) has no power over anything, and one whom We have granted from Ourselves a goodly sustenance so he spends from it secretly and openly; are the two alike? (All) praise is due to Allah! Nay, most of them do not know.

  43. And when We change (one) communication for (another) communication, and Allah knows best what He reveals, they say: You are only a forger. Nay, most of them do not know.

  44. Say: As for him who remains in error, the Beneficent Allah will surely prolong his length of days, until they see what they were threatened with, either the punishment or the hour; then they shall know who is in more evil plight and weaker in forces

  45. Or, have they taken gods besides Him? Say: Bring your proof; this is the reminder of those with me and the reminder of those before me. Nay! most of them do not know the truth, so they turn aside.

  46. On that day Allah will pay back to them in full their just reward, and they shall know that Allah is the evident Truth.

  47. He had well-nigh led us astray from our gods had we not adhered to them patiently! And they will know, when they see the punishment, who is straying farther off from the path.

  48. So those are their houses fallen down because they were unjust, most surely there is a sign in this for a people who know.

  49. Or, Who made the earth a restingplace, and made in it rivers, and raised on it mountains and placed between the two seas a barrier. Is there a god with Allah? Nay! most of them do not know!

  50. So We gave him back to his mother that her eye might be refreshed, and that she might no grieve, and that she might know that the promise of Allah is true, but most of them do not know.

  51. And they say: If we follow the guidance with you, we shall be carried off from our country. What ! have We not settled them in a safe, sacred territory to which fruits of every kind shall be drawn?-- a sustenance from Us; but most of them do not know.

  52. The parable of those who take guardians besides Allah is as the parable of the spider that makes for itself a house; and most surely the frailest of the houses is the spider's house did they but know.

  53. And this life of the world is nothing but a sport and a play; and as for the next abode, that most surely is the life-- did they but know!

  54. Thus they become ungrateful for what We have given them, so that they may enjoy; but they shall soon know.

  55. (This is) Allah's promise! Allah will not fail His promise, but most people do not know.

  56. They know the outward of this world's life, but of the hereafter they are absolutely heedless.

  57. Then set your face upright for religion in the right state-- the nature made by Allah in which He has made men; there is no altering of Allah's creation; that is the right religion, but most people do not know--

  58. Thus does Allah set a seal on the hearts of those who do not know.

  59. And if you ask them who created the heavens and the earth, they will certainly say: Allah. Say: (All) praise is due to Allah; nay! most of them do not know.

  60. But when We decreed death for him, naught showed them his death but a creature of the earth that ate away his staff; and when it fell down, the jinn came to know plainly that if they had known the unseen, they would not have tarried in abasing torment.

  61. And We have not sent you but to all the men as a bearer of good news and as a warner, but most men do not know.

  62. Say: Surely my Lord amplifies the means of subsistence for whom He pleases and straitens (for whom He pleases), but most men do not know.

  63. It was said: Enter the garden. He said: O would that my people had known

  64. Glory be to Him Who created pairs of all things, of what the earth grows, and of their kind and of what they do not know.

  65. But (now) they disbelieve in it, so they will come to know.

  66. What! he who is obedient during hours of the night, prostrating himself and standing, takes care of the hereafter and hopes for the mercy of his Lord! Say: Are those who know and those who do not know alike? Only the men of understanding are mindful.

  67. So Allah made them taste the disgrace in this world's life, and certainly the punishment of the hereafter is greater; did they but know!

  68. Allah sets forth an example: There is a slave in whom are (several) partners differing with one another, and there is another slave wholly owned by one man. Are the two alike in condition? (All) praise is due to Allah. Nay! most of them do not know.

  69. So when harm afflicts a man he calls upon Us; then, when We give him a favor from Us, he says: I have been given it only by means of knowledge. Nay, it is a trial, but most of them do not know.

  70. Certainly the creation of the heavens and the earth is greater than the creation of the men, but most people do not know

  71. Those who reject the Book and that with which We have sent Our Messenger; but they shall soon come to know,

  72. A Book of which the verses are made plain, an Arabic Quran for a people who know:

  73. Those who do not believe in it would hasten it on, and those who believe are in fear from it, and they know that it is the truth. Now most surely those who dispute obstinately concerning the hour are in a great error.

  74. And those whom they call upon besides Him have no authority for intercession, but he who bears witness of the truth and they know (him).

  75. So turn away from them and say, Peace, for they shall soon come to know.

  76. We did not create them both but with the truth, but most of them do not know.

  77. Then We have made you follow a course in the affair, therefore follow it, and do not follow the low desires of those who do not know.

  78. Say: Allah gives you life, then He makes you die, then will He gather you to the day of resurrection wherein is no doubt, but most people do not know.

  79. And surely those who are unjust shall have a punishment besides that (in the world), but most of them do not know.

  80. Tomorrow shall they know who is the liar, the insolent one.

  81. Have you not seen those who befriend a people with whom Allah is wroth? They are neither of you nor of them, and they swear falsely while they know.

  82. They say: If we return to Medina, the mighty will surely drive out the meaner therefrom; and to Allah belongs the might and to His Messenger and to the believers, but the hypocrites do not know.

  83. Such is the chastisement, and certainly the chastisement of the hereafter is greater, did they but know!

  84. So leave Me and him who rejects this announcement; We will overtake them by degrees, from whence they perceive not:

  85. By no means! Surely We have created them of what they know.

  86. Until when they see what they are threatened with, then shall they know who is weaker in helpers and fewer in number.

  87. Nay! they shall soon come to know

  88. Nay! Nay! they shall soon know.

  89. They know what you do.