Tao Te Ching

“If you follow regulations, keeping the rules, you tie yourself without rope but if you act any which way without inhibition you're a heretical demon.”

— Mumon Ekai 無門慧開 1183 – 1260 CE
(Wumen Huikai)
Pioneering pathfinder to the Gateless Gate

from The Gateless Gate, 無門関, 無門關