记住，希望是好的。

有自知之明的人，遇到问题了会反省自己，不会抱怨别人；能够掌握自己命运的人，只会积极进取，不会抱怨苍天。

Space and light and order. Those are the things that men need just as much as they need bread or a place to sleep.

"The interplay between mathematics and computer science is a rich source of deep and beautiful results."