So it is that existence and non-existence give birth the


Sources: THE TAO AND ITS CHARACTERISTICS

So it is that existence and non-existence give birth the one to
(the idea of) the other; that difficulty and ease produce the one (the

idea of) the other; that length and shortness fashion out the one the

figure of the other; that (the ideas of) height and lowness arise from

the contrast of the one with the other; that the musical notes and

tones become harmonious through the relation of one with another; and

that being before and behind give the idea of one following another





;