Tao Te Ching

“Nurturing firmness with flexibility, solidity with openness, from striving enter into nonstriving, from effort into spontaneity and practice introspection in action letting true yin and true yang naturally unite.”

— Liu Yiming 刘一明 1734 – 1821 CE via Thomas Cleary, Shan Dao, #53 Gradual Progress
(Liu I-ming)
from Taoist I Ching, , Zhouyi chanzhen 周易闡真