A thought is an idea in transit.
Reading furnishes the mind only with materials of knowledge; it is thinking that makes what we read ours.
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 task of a writer is not to solve the problem but to state the problem correctly.
The idea is to try to give all the information to help others to judge the value of your contribution; not just the information that leads to judgment in one particular direction or another.
I have no special talents. I am only passionately curious.
The most important part of teaching is to teach what it is to know.
Education is our passport to the future, for tomorrow belongs to the people who prepare for it today.
You can never learn less, you can only learn more.
Education is an ornament for the prosperous, a refuge for the unfortunate.
Never help a child with a task at which he feels he can succeed.
Show me a family of readers, and I will show you the people who move the world.
Science is not only a disciple of reason but, also, one of romance and passion.
Don't learn to do, but learn in doing.
Opinion is the medium between knowledge and ignorance.
Physics is like sex: sure, it may give some practical results, but that's not why we do it.
A little knowledge that acts is worth infinitely more than much knowledge that is idle.
The secret of life is not enjoyment but education through experience.
The man who is fond of books is usually a man of lofty thought, and elevated opinions.
I like poems you can tack all over with a hammer and there are no hollow places.
Education is an admirable thing, but it is well to remember from time to time that nothing that is worth knowing can be taught.