Mathematics is the art of giving the same name to different things.
Man is always something more than what he knows about himself. He is not what he is simply once and for all, but is a process.
God's in his heaven—All's right with the world!
To live is to choose, and every choice has its consequences.
分发奖赏的人不要怀有私恩，行使惩罚权力的人也不要带有私怨。
"La memoria es un archivo lleno de versiones, no de verdades absolutas."
The world is moving so fast these days that the man who says it can't be done is generally interrupted by someone doing it.