正该来时，先生（老子）应时来到这世间；正该去时，先生顺时离开这世间。安于时势，顺应自然规律，哀乐就不能进入心中。
战略101是关于选择的：你不可能成为所有人的一切。
"Books are mirrors: you only see in them what you already have inside you."
The idea is to make something that looks like something else.