Optimists tend to interpret their troubles as transient, controllable, and specific to one situation. Pessimists, on the other hand, believe that their troubles last forever, undermine everything they do, and are uncontrollable.

一本好书的标准在于它能让读者感到不安的程度。

The office of President is one which requires the utmost diligence and attention.

"The best investment you can make is in yourself."

有时候最难的事情和正确的事情是同一件事。

我可残酷，但不可无良心；我可用语言的利剑来刺戳她，但决不用真刃。

最大的权力是能够控制你自己的情绪和欲望。