It’s because he has mastered the Great Secret
Prophet is the one who, when everyone else despairs, hopes. And when everyone else hopes, he despairs. You’ll ask me why. It’s because he has mastered the Great Secret: that the Wheel turns.
― Nikos Kazantzakis, The Last Temptation of Christ. (Simon & Schuster; Reprint edition March 1, 1998) Originally published 1952.