If there were no bad people, there would be no good lawyers.
Science is not only a disciple of reason but, also, one of romance and passion.
All stable processes we shall predict. All unstable processes we shall control.
The man who does not read good books has no advantage over the man who can't read them.
I had rather excel others in the knowledge of what is excellent, than in the extent of my power and dominion
Education is a system of imposed ignorance.
The most important part of teaching is to teach what it is to know.
Science is a way of thinking much more than it is a body of knowledge.
The task of a writer is not to solve the problem but to state the problem correctly.
When I am attacked by gloomy thoughts, nothing helps me so much as running to my books. They quickly absorb me and banish the clouds from my mind.
Necessity is the mother of invention.
For a successful technology, reality must take precedence over public relations, for Nature cannot be fooled.
Never help a child with a task at which he feels he can succeed.
What is freedom of expression? Without the freedom to offend, it ceases to exist.
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.
Action not backed by knowledge and knowledge not translatable into action, both can not stand the test of time.
You can never be overdressed or overeducated.
Those who fail to learn the lessons of history are doomed to repeat them.
A little knowledge that acts is worth infinitely more than much knowledge that is idle.
The books that the world calls immoral are books that show the world its own shame.
Know what you are talking about.