You don’t have to pee on an electric fence to learn not to do it.
The truth is not always beautiful, nor beautiful words the truth.
Words are, of course, the most powerful drug used by mankind.
依靠聪明、平衡的人类几个世纪以来所依赖的普通美德。常识、节俭、现实的期望、耐心和毅力。