When someone tells you something is wrong， they’re usually right. When someone tells you how to fix it， they’re usually wrong.

In the realm of mathematics, every problem is an opportunity to discover something new and profound.

记住，希望是好事，甚至也许是人间至善。而美好的事永不消失。

世界在变化，我们必须随之改变。

未来是创造一个更具包容性的世界。