一旦心灵被启蒙，它就不能再次变得黑暗。
The mind once enlightened cannot again become dark.
喜欢说话而又不恰当，不如少说话为好。博学多识但不知道反省自己，一定会出问题。孔子说“言寡尤，行寡悔，禄在其中矣” ，言语上减少过失，行为上减少悔恨，多反省自己，慎言慎行，成功就不会远了。
The existence of a legal system presupposes the existence of a rule of recognition.
The best way to gain self-confidence is to do what you are afraid to do.
暴政的根基是恐惧。
The more we learn about the universe, the more we realize how much we have yet to discover.