Science is a way of thinking much more than it is a body of knowledge.
The great difficulty in education is to get experience out of ideas.
Most people have never learned that one of the main aims in life is to enjoy it.
The most savage controversies are those about matters as to which there is no good evidence either way.
Education is a system of imposed ignorance.
Any man who reads too much and uses his own brain too little falls into lazy habits of thinking.
Real learning comes about when the competitive spirit has ceased.
Don't worry that children never listen to you; worry that they are always watching you.
A thought is an idea in transit.
Make it a rule never to give a child a book you would not read yourself.
Technology is just a tool. In terms of getting the kids working together and motivating them, the teacher is the most important.
The secret of life is not enjoyment but education through experience.
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.
Medicine is my lawful wife and literature my mistress; when I get tired of one, I spend the night with the other.
Science is not only a disciple of reason but, also, one of romance and passion.
Those who fail to learn the lessons of history are doomed to repeat them.
The reading of all good books is like conversation with the finest men of past centuries.
Any knowledge that doesn't lead to new questions quickly dies out: it fails to maintain the temperature required for sustaining life.
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.
A little knowledge that acts is worth infinitely more than much knowledge that is idle.
The books that the world calls immoral are books that show the world its own shame.