The perfect square lacks corners.
Without looking through the window, you can see Heaven's Way.
The Tao that can be told is not the eternal Tao. The name that can be named is not the eternal Name.
Act without striving. Work without interfering. Find the flavour in what is flavourless.
I am good to people who are good. I am also good to people who are not good. Because Virtue is goodness.
Be humble and you will remain entire. The sages do not display themselves, therefore they shine. They do not approve themselves, therefore they are noted. They do not praise themselves, therefore they have merit. They do not glory in themselves, therefore they excel.