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

Don't learn to do, but learn in doing.

It isn't what we don't know that gives us trouble, it's what we know that ain't so.

Civilization is a race between disaster and education.

If help and salvation are to come, they can only come from the children, for the children are the makers of men.

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

The schools ain't what they used to be and never was.

Knowledge, Action, Devotion are complementary to each other.

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

Common sense is the collection of prejudices acquired by age eighteen.

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

Any sufficiently advanced technology is indistinguishable from magic.

Reading without reflecting is like eating without digesting.

Study without desire spoils the memory, and it retains nothing that it takes in.

There is one quality which one must possess to win, and that is definiteness of purpose, the knowledge of what one wants, and a burning desire to possess it.

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

They say a little knowledge is a dangerous thing, but it's not one half so bad as a lot of ignorance.

No power and no treasure can outweigh the extension of our knowledge.

I like poems you can tack all over with a hammer and there are no hollow places.

What is now proved was once only imagined.

A man who has never gone to school may steal a freight car; but if he has a university education, he may steal the whole railroad.