Seek knowledge from the cradle to the grave.

I have no special talents. I am only passionately curious.

Human behavior flows from three main sources: desire, emotion, and knowledge

There is nothing more awful, insulting, and depressing than banality.

If you're not learning while you're earning, you're cheating yourself out of the better portion of your compensation.

Study without desire spoils the memory, and it retains nothing that it takes in.

Language is courage: the ability to conceive a thought, to speak it, and by doing so to make it true.

The man who does not read good books has no advantage over the man who can't read them.

The progressive development of man is vitally dependent on invention.

For a successful technology, reality must take precedence over public relations, for Nature cannot be fooled.

If one cannot enjoy reading a book over and over again, there is no use in reading it at all.

Show me a family of readers, and I will show you the people who move the world.

Learning gives creativity, Creativity leads to thinking, Thinking provides knowledge, Knowledge makes you great.

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.

I decided to teach because I think that any person who studies philosophy has to be involved actively.

Science is not only a disciple of reason but, also, one of romance and passion.

Opinion is the medium between knowledge and ignorance.

Education is a system of imposed ignorance.

A little knowledge is a dangerous thing. So is a lot.

Integrity without knowledge is weak and useless, and knowledge without integrity is dangerous and dreadful.

If you want the present to be different from the past, study the past.