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

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

The highest result of education is tolerance.

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

Reading is to the mind what exercise is to the body.

Better know nothing than half-know many things.

Learning gives creativity, Creativity leads to thinking, Thinking provides knowledge, Knowledge makes you great.

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

The only true wisdom is in knowing you know nothing.

I cannot live without books.

The great difficulty in education is to get experience out of ideas.

Physics is like sex: sure, it may give some practical results, but that's not why we do it.

I have no special talents. I am only passionately curious.

If you can't explain it simply, you don't understand it well enough.

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

Any sufficiently advanced technology is indistinguishable from magic.

Science is a way of thinking much more than it is a body of knowledge.

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

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

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

There is no authority who decides what is a good idea.