(Those are they) who said: Surely Allah has enjoined us that we should not believe in any messenger until he brings us an offering which the fire consumes. Say: Indeed, there came to you messengers before me with clear arguments and with that which you demand; why then did you kill them if you are truthful?

How can there be an agreement for the idolaters with Allah and with His Messenger; except those with whom you made an agreement at the Sacred Mosque? So as long as they are true to you, be true to them; surely Allah loves those who are careful (of their duty).