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.

预测未来的最好方法就是创造未来。

Every experiment, whether successful or not, teaches us something valuable.

I’m not perfect, and I don’t claim to be.