Any man who reads too much and uses his own brain too little falls into lazy habits of thinking.
I had rather excel others in the knowledge of what is excellent, than in the extent of my power and dominion
The first principle is that you must not fool yourself and you are the easiest person to fool.
Books are for people who wish they were somewhere else.
The highest activity a human being can attain is learning for understanding, because to understand is to be free.
The task of a writer is not to solve the problem but to state the problem correctly.
The most savage controversies are those about matters as to which there is no good evidence either way.
I prefer the company of peasants because they have not been educated sufficiently to reason incorrectly.
If you're teaching today what you were teaching five years ago, either the field is dead or you are.
I am a part of everything that I have read.
The reading of all good books is like conversation with the finest men of past centuries.
For a successful technology, reality must take precedence over public relations, for Nature cannot be fooled.
Knowledge becomes evil if the aim be not virtuous.
Integrity without knowledge is weak and useless, and knowledge without integrity is dangerous and dreadful.
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 great difficulty in education is to get experience out of ideas.
Suddenly degrees aren't worth anything. Isn't that true? When I was a student, if you had a degree, you had a job. If you didn't have a job it's because you didn't want one. And I didn't want one, frankly.
Education is the most powerful weapon which you can use to change the world.
It is not enough for the teacher to love the child. She must first love and understand the universe. She must prepare herself, and truly work at it.
Learn as though you would never be able to master it; hold it as though you would be in fear of losing it.
Imagination is the source of every form of human achievement. And it's the one thing that I believe we are systematically jeopardizing in the way we educate our children and ourselves.