If there were no bad people, there would be no good lawyers.
Education is the ability to listen to almost anything without losing your temper or your self-confidence.
To read is to fly: it is to soar to a point of vantage which gives a view over wide terrains of history, human variety, ideas, shared experience and the fruits of many inquiries.
I had rather excel others in the knowledge of what is excellent, than in the extent of my power and dominion
There is nothing more awful, insulting, and depressing than banality.
Many much-learned men have no intelligence.
A cynic is a man who knows the price of everything, and the value of nothing.
The most savage controversies are those about matters as to which there is no good evidence either way.
Learning never exhausts the mind.
The most important part of teaching is to teach what it is to know.
Real learning comes about when the competitive spirit has ceased.
All knowledge that the world has ever received comes from the mind; the infinite library of the universe is in our own mind.
There is no authority who decides what is a good idea.
Knowledge is of two kinds. We know a subject ourselves, or we know where we can find information upon it.
Physics is like sex: sure, it may give some practical results, but that's not why we do it.
If the facts don't fit the theory, change the facts.
A thought is an idea in transit.
Science is a way of thinking much more than it is a body of knowledge.
I am so clever that sometimes I don't understand a single word of what I am saying.
Those who fail to learn the lessons of history are doomed to repeat them.
Seek knowledge from the cradle to the grave.