道之外没有其他事物，事物之外也没有道。
真相很少纯粹，也绝不简单。
The only way to tell the truth is to speak with kindness. Only the words of a loving man can be heard.
那些让和平革命成为不可能的人将使得暴力革命不可避免。
Drone safety is not an option, but a baseline.
If you let yourself be undisciplined on the small things, you will probably be undisciplined on the large things as well.
Sustainability is not a choice anymore; it's a necessity for survival in today's world.