Science is what we have learned about how to keep from fooling ourselves.
The progressive development of man is vitally dependent on invention.
It is possible to fly without motors, but not without knowledge and skill.
All knowledge that the world has ever received comes from the mind; the infinite library of the universe is in our own mind.
If there were no bad people, there would be no good lawyers.
The man who is fond of books is usually a man of lofty thought, and elevated opinions.
The white man is very clever. He came quietly and peaceably with his religion. We were amused at his foolishness and allowed him to stay. Now he has won our brothers, and our clan can no longer act like one. He has put a knife on the things that held us together and we have fallen apart.
A man who has never gone to school may steal a freight car; but if he has a university education, he may steal the whole railroad.
Show me a family of readers, and I will show you the people who move the world.
The real solution lies in a world in which charity will have become unnecessary.
What we know is a drop, what we don't know is an ocean.
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.
Many much-learned men have no intelligence.
It is beyond a doubt that all our knowledge begins with experience.
Knowledge is of two kinds. We know a subject ourselves, or we know where we can find information upon it.
What is now proved was once only imagined.
The most important part of teaching is to teach what it is to know.
Reading furnishes the mind only with materials of knowledge; it is thinking that makes what we read ours.
A witty saying proves nothing.
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.
Any man who reads too much and uses his own brain too little falls into lazy habits of thinking.
