Science is not only a disciple of reason but, also, one of romance and passion.
A little knowledge that acts is worth infinitely more than much knowledge that is idle.
Science is what we have learned about how to keep from fooling ourselves.
Learn as though you would never be able to master it; hold it as though you would be in fear of losing it.
An investment in knowledge pays the best interest.
Patience is a virtue, and I'm learning patience. It's a tough lesson.
Reading is to the mind what exercise is to the body.
Reading furnishes the mind only with materials of knowledge; it is thinking that makes what we read ours.
Investigate, educate and organize.
Real learning comes about when the competitive spirit has ceased.
There is no authority who decides what is a good idea.
The progressive development of man is vitally dependent on invention.
The reading of all good books is like conversation with the finest men of past centuries.
The first principle is that you must not fool yourself and you are the easiest person to fool.
If help and salvation are to come, they can only come from the children, for the children are the makers of men.
To educate a person in the mind but not in morals is to educate a menace to society.
Education is an ornament for the prosperous, a refuge for the unfortunate.
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.
The most savage controversies are those about matters as to which there is no good evidence either way.
As we acquire more knowledge, things do not become more comprehensible but more mysterious.
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.