紧急是个暴君。重要才是你的国王。打倒紧急的暴政！
The urgent is a tyrant. The important should be your king. Down with the tyranny of the urgent
Evolution is a slow process.
Memory， I realize， can be an unreliable thing； often it is heavily coloured by the circumstances in which one remembers.
Science is about understanding the world, and engineering is about changing it.
The most valuable hydrocarbon molecule is the one we don't need to burn.