[261] Why should I speak of Isaac? Why of Jacob? For these also are manifestly found to have been prophets by many other circumstances, and especially by their addresses to their children. For the annunciation, "Assemble yourselves together, that I may tell you what shall happen to you in the last days" [172] was the expression of a man possessed by inspiration; for the knowledge of the future is not appropriate to, or natural to, man.