What sculpture is to a block of marble, education is to a human soul.

Books are as useful to a stupid person as a mirror is useful to a blind person.

If I could explain it to the average person, I wouldn't have been worth the Nobel Prize.

No man's knowledge here can go beyond his experience.

Science is what we have learned about how to keep from fooling ourselves.

Seek knowledge from the cradle to the grave.

A child educated only at school is an uneducated child.

Knowledge, Action, Devotion are complementary to each other.

The first idea the child must acquire is that of the difference between good and evil.

A cynic is a man who knows the price of everything, and the value of nothing.

The ability to observe without evaluating is the highest form of intelligence.

The delight of opening a new pursuit, or a new course of reading, imparts the vivacity and novelty of youth even to old age.

Make it a rule never to give a child a book you would not read yourself.

The highest activity a human being can attain is learning for understanding, because to understand is to be free.

I cannot teach anybody anything. I can only make them think

The deepest sin against the human mind is to believe things without evidence.

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.

If you're teaching today what you were teaching five years ago, either the field is dead or you are.

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

All knowledge that the world has ever received comes from the mind; the infinite library of the universe is in our own mind.

Reading furnishes the mind only with materials of knowledge; it is thinking that makes what we read ours.