I'm the reason your joy won't last.

The only thing necessary for the triumph of evil is for good men to do nothing.

The real art of conversation is not only to say the right thing at the right place but to leave unsaid the wrong thing at the tempting moment.

【译文】冰与炭不能长久共存，寒与暑不会同时到来。

对抗传染病的斗争是一项超越国界的全球性努力。

真相不在事实中，而在我们讲述它们的方式里。