Tao Te Ching

“Realizing the unreality of opposites and the non-existence of relatives like good/bad, love/hate, happy/sad brings deliverance and the wisdom of knowing what to accept and what to reject.”

— Hui Hai 大珠慧海 788 – 831 CE via John Blofeld, Shan Dao
from Essential Gate for Entry Into Sudden Enlightenment (Tun-wu ju dao yao-men)