The most important political virtue is moderation.

迷恋歌舞女色的心太浓重了，就会生出虚怯的毛病来；追求钱财利益的心太浓重了，就会生出贪得无厌的毛病来；热衷功名成就的心太浓重了，就会生出造作的毛病来；追求声誉名望的心太浓重了，就会生出言行偏激的毛病来。

如果谋虑不到，那么就根据过去推知未来（主要强调凭借经验），根据明显的事推知隐微的事。像这样谋虑，那么所谋必得（成功）。

心理学应该阐明心灵的实际运作，而不仅仅是剖析其部分。

真正的竞争对手从来不是同行，而是用户的旧习惯。

I don't sing because I'm happy; I'm happy because I sing.

The best teacher is the one who suggests rather than dogmatizes, and inspires his listener with the wish to teach himself.

"In the end, we are all just stories."