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.
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.
God created man in His own image, says the Bible; philosophers reverse the process: they create God in theirs.
Better know nothing than half-know many things.
Science is not only a disciple of reason but, also, one of romance and passion.
Dare to think for yourself.
The task of a writer is not to solve the problem but to state the problem correctly.
There is nothing more notable in Socrates than that he found time, when he was an old man, to learn music and dancing, and thought it time well spent.
Patience is a virtue, and I'm learning patience. It's a tough lesson.
The highest result of education is tolerance.
Those who fail to learn the lessons of history are doomed to repeat them.
Reading is to the mind what exercise is to the body.
I have just three things to teach: simplicity, patience, compassion. These three are your greatest treasures.
Books! I dunno if I ever told you this, but books are the greatest gift one person can give another.
For a successful technology, reality must take precedence over public relations, for Nature cannot be fooled.
When I am attacked by gloomy thoughts, nothing helps me so much as running to my books. They quickly absorb me and banish the clouds from my mind.
Most people have never learned that one of the main aims in life is to enjoy it.
It is possible to fly without motors, but not without knowledge and skill.
A cynic is a man who knows the price of everything, and the value of nothing.
If help and salvation are to come, they can only come from the children, for the children are the makers of men.