Action not backed by knowledge and knowledge not translatable into action, both can not stand the test of time.

I am indebted to my father for living, but to my teacher for living well.

Learning never exhausts the mind.

We could never learn to be brave and patient, if there were only joy in the world

I do not know how to teach philosophy without becoming a disturber of the peace.

The books that the world calls immoral are books that show the world its own shame.

Reading without reflecting is like eating without digesting.

Patience is a virtue, and I'm learning patience. It's a tough lesson.

The progressive development of man is vitally dependent on invention.

Learn as though you would never be able to master it; hold it as though you would be in fear of losing it.

A spirit of national masochism prevails, encouraged by an effete corps of impudent snobs who characterize themselves as intellectuals.

Most people have never learned that one of the main aims in life is to enjoy it.

The real solution lies in a world in which charity will have become unnecessary.

I had rather excel others in the knowledge of what is excellent, than in the extent of my power and dominion

An investment in knowledge pays the best interest.

My weapon is literature

If I have seen further it is by standing on the shoulders of Giants.

Real knowledge is to know the extent of one's ignorance.

All sciences are vain and full of errors that are not born of Experience, the mother of all Knowledge.

Words can be like X-rays if you use them properly - they'll go through anything. You read and you?re pierced.

Suddenly degrees aren't worth anything. Isn't that true? When I was a student, if you had a degree, you had a job. If you didn't have a job it's because you didn't want one. And I didn't want one, frankly.