The difference between a policy and a crusade is that a policy is judged by its results, while a crusade is judged by how good it makes its crusaders feel.

The universe is change; our life is what our thoughts make it.

To study the mind is to study adaptation in action; every thought is a tool for living.

"There is no such thing as a moral or an immoral book. Books are well written, or badly written."

解释：大多数花类药材都有升散的作用，而旋覆花却有降气的作用，说明药材特性的多样性。

What is uttered is finished and done with.

杰夫·贝索斯接受了莱克斯·弗里德曼的播客采访

在每个大型程序内部，都有一个试图挣脱出来的小程序。