Knowing others is wisdom, knowing yourself is Enlightenment.
For a successful technology, reality must take precedence over public relations, for Nature cannot be fooled.
I have no special talents. I am only passionately curious.
Education is the most powerful weapon which you can use to change the world.
In mathematics you don't understand things. You just get used to them.
Free the child's potential, and you will transform him into the world.
Knowledge becomes evil if the aim be not virtuous.
Industrialize or perish.
Those who fail to learn the lessons of history are doomed to repeat them.
Just when I thought there wasn't room enough for another thought in my head, I had this great idea.
The highest result of education is tolerance.
Seek knowledge from the cradle to the grave.
Education is a system of imposed ignorance.
I like poems you can tack all over with a hammer and there are no hollow places.
If you're teaching today what you were teaching five years ago, either the field is dead or you are.
If you can't explain it simply, you don't understand it well enough.
Reading furnishes the mind only with materials of knowledge; it is thinking that makes what we read ours.
You can never learn less, you can only learn more.
Any man who reads too much and uses his own brain too little falls into lazy habits of thinking.
I do not know how to teach philosophy without becoming a disturber of the peace.
Books are as useful to a stupid person as a mirror is useful to a blind person.