对认可的渴望，灵魂中的激情部分，不能仅通过经济活动来满足。

Your most unhappy customers are your greatest source of learning.

The mind is a dynamic system that constantly adapts to its environment.

The pursuit of truth is an endless journey, not a destination.

The most hateful torment for men is to have knowledge of everything but power over nothing.

平凡与非凡的区别就在于那一点点额外的努力。

人们放弃自己权力的最常见方式就是认为自己没有任何权力。

天下最痛苦的人是发现丈夫的勇敢只是虚张声势的妻子。