You have to believe in yourself, even when no one else does.
你必须相信自己，即使没有其他人相信你。
In the vastness of the universe, our problems seem small, yet our potential for understanding is limitless.
Our frustration is greater when we have much and want more than when we have nothing and want some. We are less dissatisfied when we lack many things than when we seem to lack but one thing.
追求数学真理是一项崇高的努力。
重要的是不要停止提问。好奇心有其存在的理由。
The Internet is not just a technology, it's a social phenomenon.
适应是进化的关键。