Technology without application scenarios is like water without a source.

A problem is in P if it can be solved quickly by a computer, and in NP if a solution can be verified quickly.

I believe in Spinoza's God, Who reveals Himself in the lawful harmony of the world, not in a God Who concerns Himself with the fate and the doings of mankind.

不是要无所畏惧，而是要克服恐惧并继续前进。

真相不在光明中，而在我们不敢探索的阴影里。

被原谅只是礼物的一半。另一半是我们也可以原谅，恢复失去的，修补破碎的。