Love is like war; easy to begin, hard to end.
I've never really liked the Yanks. . . . You can't trust people who pick up the ball all the time when they play football.
There have been times, lately, when I dearly wished that I could change the past. Well, I can’t, but I can change the present, so that when it becomes the past it will turn out to be a past worth having.
They say a little knowledge is a dangerous thing, but it's not one half so bad as a lot of ignorance.
Some humans would do anything to see if it was possible to do it. If you put a large switch in some cave somewhere, with a sign on it saying 'End-of-the-World Switch. PLEASE DO NOT TOUCH', the paint wouldn't even have time to dry.
In the beginning there was nothing, which exploded.
Most species do their own evolving, making it up as they go along, which is the way Nature intended. And this is all very natural and organic and in tune with mysterious cycles of the cosmos, which believes that there's nothing like millions of years of really frustrating trial and error to give a species moral fiber and, in some cases, backbone.
A warrior who is prepared to fight must also be prepared to die.
There will always be critics. On one hand, criticism can be positive. On the other hand, criticism can be negative. But critics will always be watching the game. If you listen to everybody, you can go crazy. I have my own point of view, and I always try to keep it.
Knowledge is humanistic in quality not because it is about human products in the past, but because of what it does in liberating human intelligence and human sympathy. Any subject matter which accomplishes this result is humane, and any subject matter which does not accomplish it is not even educational.
Whatever you can do or dream, begin it.