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

The happiest people are those who have discovered that happiness is a choice and not a result of circumstances.

历史不仅仅是一系列事件，而是人类经验和情感的复杂网络。

The key to power is the ability to judge who is best to serve your purposes, and then to win them over to your side.