'Yang cannot exist by itself; it can exist only when it is supported by yin. Hence yin is the foundation of yang. Similarly, yin cannot alone manifest itself; it can manifest itself only when accompanied by yang. Hence yang is the expression of yin. Yang controls the origination and enjoys the completion [of things] while yin follows the way [yang produces] and completes the work of yang."
.I m .C e l e s t e, i m. g l a d .y o u r .h e r e :) s t a y .i f .y o u .w i l l, g o .i f .y o u .m u s t.