Life is short, and it’s up to you to make it sweet.

天下只有具体的事物（器）存在。所谓规律（道）是事物的规律，不能将事物说成是规律的事物。

"Books are the way that we communicate with the dead. The way that we learn lessons from those who are no longer with us, that humanity has built on itself, progressed, made knowledge incremental rather than something that has to be relearned, over and over."

数学不是关于数字、方程、计算或算法的：它是关于理解的。

在爱别人之前，你得先爱自己。