煤矿工人是美国工业实力的无名英雄。

Leadership is about making others better as a result of your presence and making sure that impact lasts in your absence.

实验方法是唯一能让我们对心理现象进行科学分析的方法。

Gratitude is an antidote to negative emotions, a neutralizer of envy, hostility, worry, and irritation.

The only real prison is the one inside your head.

En la oscuridad de la noche, las palabras brillan como estrellas, guiándonos hacia la luz.