It is precisely because we can never really know ourselves, but only guess, that we are so vehement about the good and the evil ascribed to us by others. In maintaining ourselves against all comers, we are maintaining something that is unknown, uncertain, and never wholly provable. We need a chorus of consent, and we are engaged in an unceasing proselytizing campaign in our own behalf.

Entry (1954) - Eric Hoffer and the Art of the Notebook (2005)