"A story is a letter that the author writes to himself, to tell himself things that he would be unable to discover otherwise."

The line between good and evil runs through every human heart.

我总是说，你可以把我的交易规则发表在报纸上，但没有人会遵循它们。关键是始终如一和纪律。

生活是一个不断学习的过程。

解释：处于安全环境时要考虑到可能出现的危险，考虑到危险就会有所准备，事先有了准备就可以避免祸患。