过去是一个跟随我们的影子,但它不必定义我们。
The truth is rarely pure and never simple.
网络是为每个人服务的,我们共同拥有改变它的力量。
Every mathematical problem is a puzzle waiting to be solved, and every solution is a step closer to understanding the fabric of reality.
当你为他人的看法而活时,你就已经死了。