我喜欢狗。你总是知道狗在想什么。它有四种情绪。快乐、悲伤、生气和专注。

我对自己的决定非常有信心，因为我知道自己想要什么。

山中有长得直的树，世上却没有直的人。

There is no point treating a depressed person as though she were just feeling sad, saying, 'There now, hang on, you'll get over it.' Sadness is more or less like a head cold- with patience, it passes. Depression is like cancer.

寻求统一的物理理论是我们时代最伟大的智力冒险之一。