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。
Complexity is your enemy. Any fool can make something complicated.
The best leaders don't just manage people; they inspire them to manage themselves.
The stories we tell ourselves about our lives shape our reality.