I don’t need anyone’s permission to be myself.

The greatest threat to our planet is the belief that someone else will save it.

最危险的事情是什么都不做。

我在思想中有一种流放感，仿佛我是个外星人。

The man who is fit to handle pig iron is not fit to handle the management of pig iron.

科学中最重要的事情是不怕看起来愚蠢。