America is a large friendly dog in a small room. Every time it wags its tail, it knocks over a chair.
It is a paradoxical but profoundly true and important principle of life that the most likely way to reach a goal is to be aiming not at that goal itself but at some more ambitious goal beyond it.
The only real struggle in the history of the world … is between the vested interest and social justice.
The human race's prospects of survival were considerably better when we were defenseless against the tigers than they are today, when we have become defenseless against ourselves.