Without stirring abroad, One can know the whole world; Without looking out of the window One can see the way of heaven. The further one goes The less one knows.
We put thirty spokes to make a wheel: But it is on the hole in the center that the use of the cart hinges. We make a vessel from a lump of clay; But it is the empty space within the vessel that makes it useful. We make doors and windows for a room; But it is the empty spaces that make the room livable. Thus, while existence has advantages, It is the emptiness that makes it useful.
Of all things, none does not revere the Way and honor virtue. Reverence of the Way and honoring virtue were not demanded of them, but it is in their nature.
Of the second-rate leaders people speak respectfully saying, "He has done this, he has done that." Of the first-rate leaders, they do not say this. They say, "We have done it all ourselves."