无论他做什么,地球上的每个人在世界历史中都扮演着核心角色。而通常他并不知道这一点。
读书求明理,须让自己满意;与别人谈道理,须令别人佩服。
Humility makes great men twice honourable.
The world needs more scientists who think like engineers, and more engineers who think like scientists.