Any man who reads too much and uses his own brain too little falls into lazy habits of thinking.

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

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

Just when I thought there wasn't room enough for another thought in my head, I had this great idea.

Imagination is more important than knowledge.

Knowledge becomes evil if the aim be not virtuous.

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

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

There is nothing more awful, insulting, and depressing than banality.

God created man in His own image, says the Bible; philosophers reverse the process: they create God in theirs.

Many much-learned men have no intelligence.

Real learning comes about when the competitive spirit has ceased.

It is what you read when you don't have to that determines what you will be when you can't help it.

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

The only true wisdom is in knowing you know nothing.

If one cannot enjoy reading a book over and over again, there is no use in reading it at all.

Show me a family of readers, and I will show you the people who move the world.

To every action there is always an equal and opposite or contrary, reaction

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

For a successful technology, reality must take precedence over public relations, for Nature cannot be fooled.

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