We are all ghosts of ourselves, haunting the places we once lived.

Leadership is about making tough decisions and standing by them, even when they are unpopular.

我不是梦想家，我是实干家。

生活太重要了，不能太当回事。

The beauty of virology is that viruses teach us the rules of life by breaking them.

I’m not afraid to speak my mind, even if it’s unpopular.

理论必须是美丽的。