He who would learn to fly one day must first learn to stand and walk and run and climb and dance; one cannot fly into flying.

All sciences are vain and full of errors that are not born of Experience, the mother of all Knowledge.

Knowledge, Action, Devotion are complementary to each other.

I have just three things to teach: simplicity, patience, compassion. These three are your greatest treasures.

Knowing is not enough; we must apply. Willing is not enough; we must do.

Technology is just a tool. In terms of getting the kids working together and motivating them, the teacher is the most important.

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

I prefer the company of peasants because they have not been educated sufficiently to reason incorrectly.

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

Medicine is my lawful wife and literature my mistress; when I get tired of one, I spend the night with the other.

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

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.

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.

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

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

The progressive development of man is vitally dependent on invention.

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

Dare to think for yourself.

If you want the present to be different from the past, study the past.

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

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