The richness I achieve comes from Nature, the source of my inspiration.

你担心什么，什么就控制你。

生活中的唯一限制是你为自己设定的限制。

做出伟大工作的唯一途径是热爱你所做的事情。

在暴君有权杀死一个国家的权利被证明之前，一个国家在必要时杀死暴君的权利永远不会被怀疑。

The true teacher defends his pupils against his own personal influence. He inspires self-distrust. He guides their eyes from himself to the spirit that quickens him. He will have no disciple.

有了目标就要全力以赴。