Humility is the mark of a great leader.
乐观,悲观,去他的;我们要让它发生。我发誓,我一定要让它成功。
The behavior of the whole cannot be predicted from the behavior of its parts taken separately.
个人的就是普遍的,普遍的也是个人的。
The purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise.