I decided, very early on, just to accept life unconditionally; I never expected it to do anything special for me, yet I seemed to accomplish far more than I had ever hoped. Most of the time it just happened to me without my ever seeking it.

一个好的模型应该在复杂性和准确性之间取得平衡，捕捉基本动态而不过度拟合。

Today was good. Today was fun. Tomorrow is another one.

To read is to travel without moving; to write is to move without traveling.

It is by no means an irrational fancy that, in a future existence, we shall look upon what we think our present existence, as a dream.

诚信是领导力的货币。