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.

Mathematics is the language with which God has written the universe.

Entrepreneurship means never giving up and finding opportunities in difficulties.

Strength comes from overcoming the things you thought you couldn't handle.

质量不是趋势；它是一种传统。

Scientific curiosity must be matched with commercial discipline to bring treatments to those who need them.

我不让任何人夺走我的爱。