And if you are upon a journey and you do not find a scribe, then (there may be) a security taken into possession; but if one of you trusts another, then he who is trusted should deliver his trust, and let him be careful (of his duty to) Allah, his Lord; and do not conceal testimony, and whoever conceals it, his heart is surely sinful; and Allah knows what you do.

The Prophet has a greater claim on the faithful than they have on themselves, and his wives are (as) their mothers; and the possessors of relationship have the better claim in the ordinance of Allah to inheritance, one with respect to another, than (other) believers, and (than) those who have fled (their homes), except that you do some good to your friends; this is written in the Book.