When you accurately perceive the fluidity of things, you can also begin to perceive the constancy behind them: the creative, transformative, boundless, immutable Tao.
Is not the action of nature like the stretching of a bow? The high, it pulls down; the low, it lifts up; It takes from what is in excess In order to make good of what is deficient. Who can take what they have in excess and offer it to others?
Heaven and Earth last for ever. Why do Heaven and Earth last for ever? They are unborn, so ever living. The sage stays behind, thus he is ahead. He is detached, thus at one with all. Through selfless action, he attains fulfillment.