The people who are crazy enough to think they can change the world are the ones who do.
The imagination imitates. It is the critical spirit that creates.
用程序证明四色定理不会改变数学——它只是证明了这个挑战了一个世纪的定理是一个有限的问题。
Life has no meaning a priori. It is up to you to give it a meaning.