The only limit to our realization of tomorrow is our doubts of today.

打铁必须趁热，但是要磨光它则不妨从容。

When players scold you, it's a good thing—it means they still care. The most terrible thing is silence.

找出你是否能信任某人的最好方法就是信任他们。

你越深入数学，就越能意识到一切是如何相互关联的。