The greatest step forward would be to see that everything factual is already theory. The blueness of the sky reveals the basic lawof chromatics. Don't look for anything behind the phenomena, they themselves are the doctrine.

Is it life, I ask, is it even prudence, To bore thyself and bore the students?

Ye great teachers: listen to what you say!

Man would not be the finest creature in the world if he were not too fine for it.

Solitude is fine when you are at peace with yourself and have something definite to do.

Never by reflection, but only by doing is self- knowledge possible to one.

It is delivery that makes the orators success.