We have made some of these messengers to excel the others among them are they to whom Allah spoke, and some of them He exalted by (many degrees of) rank; and We gave clear miracles to Isa son of Marium, and strengthened him with the holy spirit. And if Allah had pleased, those after them would not have fought one with another after clear arguments had come to them, but they disagreed; so there were some of them who believed and others who denied; and if Allah had pleased they would not have fought one with another, but Allah brings about what He intends.

When you were on the nearer side (of the valley) and they were on the farthest side, while the caravan was in a lower place than you; and if you had mutually made an appointment, you would certainly have broken away from the appointment, but-- in order that Allah might bring about a matter which was to be done, that he who would perish might perish by clear proof, and he who would live might live by clear proof; and most surely Allah is Hearing, Knowing;