The perfect square lacks corners.

You will understand a great truth when you get to realize that what you do to others, you are doing to yourself.

She who is centered in the Tao can go where she wishes, without danger. She perceives the universal harmony, even amid great pain, because she has found peace in her heart. Music or the smell of good cooking may make people stop and enjoy. But words that point to the Tao seem monotonous and without flavor. When you look for it, there is nothing to see. When you listen for it, there is nothing to hear. When you use it, it is inexhaustible.

Knowing the bright, but clinging to the dark, you become a model to the world.

What people loathe the most is to be orphaned, desolate, unworthy. But this is what princes and kings call themselves.

In the world there are four greats, and the king is one of them.

Is not the space between Heaven and Earth like a bellows? It is empty, but lacks nothing. The more it moves, the more comes out of it.