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。

The life of a writer is absolutely solitary. He has to be alone to do his work.

Be brave enough to be bad at something new.

The past is always changing. It is not fixed. The past is not stable.

世界的情况在不断变化，人的观念也在变化。 政府是为了生者，而不是为死者，只有生者拥有任何权利。

你不能仅仅因为情况不理想就放弃某人。

The best way to cheer yourself up is to try to cheer somebody else up.

每个圣人都有过去，每个罪人都有未来。