40%的解决方案：提升幸福的能力在我们的个人掌控之中。

反向传播最重要的地方在于它只是链式法则。

The intelligent investor is a realist who sells to optimists and buys from pessimists.

"The most important thing is to have a good story and to tell it in an interesting way."

"The novel is the great adventure of the mind."