Knowing glory and staying modest, be the valley of the world. Being the world's valley of eternal inexhaustible power is to go back again to the natural. Natural wood is cut up and made into useful things. Wise souls are used to make into leaders. Just so, a great carving is done without cutting.
Weakness is how the Way works.
Heaven and Earth and the ten thousand things are born of being. Being is born of nothing. What's perfectly whole seems flawed, but you can use it forever. What's perfectly full seems empty, but you can't use it up. True straightness looks crooked.