Psychology is the study of how we navigate existence.

You are always a valuable, worthwhile human being — not because anybody says so, not because you're successful, not because you make a lot of money — but because you decide to believe it and for no other reason.

人性的弱点总是充满贪婪、恐惧或者是愚蠢，这是完全可以预测的，但是我们无法预测这种人性弱点的发生顺序。

There is nothing either good or bad, but thinking makes it so.

解释：信任是百姓、国家赖以生存的根基，不能失信于民。