Tao Te Ching · Lao TzuChapter 40
The movement of the Tao By contraries proceeds; And weakness marks the course Of Tao's mighty deeds.
All things under heaven sprang from It as existing (and named); that existence sprang from It as non-existent (and not named).
反者道之動;弱者道之用。天下萬物生於有,有生於無。