每一个优秀的数学家至少是半个哲学家，而每一个优秀的哲学家至少是半个数学家。

It is common sense to take a method and try it. If it fails, admit it frankly and try another. But above all, try something.

It is love, not reason, that is stronger than death.

The wound is the place where the Light enters you.

言语就像风。