Necessity is the mother of invention.
I do not know how to teach philosophy without becoming a disturber of the peace.
The first idea the child must acquire is that of the difference between good and evil.
My alma mater was books, a good library.... I could spend the rest of my life reading, just satisfying my curiosity.
Medicine is my lawful wife and literature my mistress; when I get tired of one, I spend the night with the other.
That men do not learn very much from the lessons of history is the most important of all the lessons that history has to teach.
Education is the most powerful weapon which you can use to change the world.
Education is the ability to listen to almost anything without losing your temper or your self-confidence.
Never help a child with a task at which he feels he can succeed.
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.
I am a part of everything that I have read.
Most people have never learned that one of the main aims in life is to enjoy it.
Evil being the root of mystery, pain is the root of knowledge.
In mathematics you don't understand things. You just get used to them.
I am indebted to my father for living, but to my teacher for living well.
All stable processes we shall predict. All unstable processes we shall control.
Courage, conviction and confidence.
Education is the best friend. An educated person is respected everywhere. Education beats the beauty and the youth.
A cynic is a man who knows the price of everything, and the value of nothing.
Opinion is the medium between knowledge and ignorance.
God created man in His own image, says the Bible; philosophers reverse the process: they create God in theirs.