Don't worry that children never listen to you; worry that they are always watching you.

Knowing others is wisdom, knowing yourself is Enlightenment.

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

Education is a system of imposed ignorance.

An investment in knowledge pays the best interest.

There is nothing more notable in Socrates than that he found time, when he was an old man, to learn music and dancing, and thought it time well spent.

The only good is knowledge and the only evil is ignorance.

My weapon is literature

Language is courage: the ability to conceive a thought, to speak it, and by doing so to make it true.

Knowledge is power. Information is liberating. Education is the premise of progress, in every society, in every family.

As we acquire more knowledge, things do not become more comprehensible but more mysterious.

One test of the correctness of educational procedure is the happiness of the child.

Science is not only a disciple of reason but, also, one of romance and passion.

With educated people, I suppose, punctuation is a matter of rule; with me it is a matter of feeling. But I must say I have great respect for the semi-colon; it's a useful little chap.

The knowledge of all things is possible

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.

Know what you are talking about.

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

Study hard what interests you the most in the most undisciplined, irreverent and original manner possible.

The first principle is that you must not fool yourself and you are the easiest person to fool.