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

The highest result of education is tolerance.

If the facts don't fit the theory, change the facts.

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

Any knowledge that doesn't lead to new questions quickly dies out: it fails to maintain the temperature required for sustaining life.

Education is an ornament for the prosperous, a refuge for the unfortunate.

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

What is freedom of expression? Without the freedom to offend, it ceases to exist.

Intelligence plus character-that is the goal of true education.

Although modesty is natural to man, it is not natural to children. Modesty only begins with the knowledge of evil.

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

Education is a system of imposed ignorance.

The task of a writer is not to solve the problem but to state the problem correctly.

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

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

The most important part of teaching is to teach what it is to know.

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

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

I don't look on poetry as closed works. I feel they're going on all the time in my head and I occasionally snip off a length.

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

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