The reason the river + sea can be regarded as The rulers of all the valley streams Is because of their being below them. Therefore they can be their rulers. So if you want to be over people You must speak humbly to them. If you want to lead them You must place yourself behind them. Thus the sage is positioned above And the people do not feel oppressed. He is in front + they feel nothing wrong. They like to push him front + never resent him. Since he does not contend No one can contend with him