A nice jazz piece and I particularly like your rhythm section choices.
Assuming it's not deliberate, you've made a common error in the title as the opposite of Yang is Yin, not Ying. The Tao symbol is often called the Yin-Yang, but as said, it's a common error and I've even heard it spoken as Ying in TV series where the writers are unfamiliar with the Yin.

Some favourite Waoist Adages:
#1: Play on the Way.
#13: Ask not for whom the flower blooms, it blooms for you.
#58: Bring consciousness to it.
#63: On the road to effortlessness, effort must be made.
#92: Be Love Now, the rest will come on its own.