If everybody in the world knows about the beautiful in its effect as beauty, then everybody knows about the ugly as well; if everybody knows about the good in its effect as goodness, then everybody knows about the evil as well.
Therefore: being and nothingness generate each other, heaviness and lightness complete each other. Length and shortness mould each other, height and depth lean towards each other. Sound and voice harmonize each other, before and after follow each other!
Hence, in all affairs, the wise man acts without interfering, and he teaches without words. All beings thus arise - without being controlled. They emerge without possessing anything, they accomplish their tasks without taking any credit. Only because they do not accumulate anything, they have nothing to lose.