Lao Tzu (founding father of Daoism/Taoism, c. 6th and 5th Century BCE)
“The most submissive thing in the world can ride roughshod over the hardest in the world.”
- From Lao Tzu’s Tao Te Ching (Book Two, XLIII), translated by D. C. Lau (Penguin Classics, 1963).