It is not enough to be a hardworking person. Equally important is the job you are working at.

Do not seek so anxiously to be developed, to subject yourself to many influences to be played on; it is all dissipation. Humility like darkness reveals the heavenly lights.

I wish to learn what life has to teach, and not, when I come to die, discover that I have not truly lived.

Being a teacher is like being in jail; once it's on your record, you can never get rid of it.

Be wary of technology; it is often merely an improved means to an unimproved end.

Truth is always paradoxical.

Men go back to the mountains, as they go back to sailing ships at sea, because in the mountains and on the sea they must face up.