世界的美有两面，一面是欢笑，一面是痛苦，将心切成两半。
The beauty of the world has two edges, one of laughter, one of anguish, cutting the heart asunder.
Mathematics is the language with which God has written the universe.
If you can't mine it safely, you shouldn't mine it at all.
Your growth as a conscious being is measured by the number of uncomfortable conversations you are willing to have.
最伟大的故事是那些挑战我们成长的故事。
一个人能做的最革命的事情，就是大声宣告正在发生的事情。
