Man is the most intelligent of the animals - and the most silly.

I am not an Athenian or a Greek, but a citizen of the world.

Why not whip the teacher when the pupil misbehaves?

Even if I am but a pretender to wisdom, that in itself is philosophy.

I do not know whether there are gods, but there ought to be.

I am Diogenes the Dog. I nuzzle the kind, bark at the greedy and bite scoundrels.

Let us not unlearn what we have already learned