The softest thing in the world dashes against and overcomes the hardest; that which has no substantial existence enters where there is no crevice. I know hereby what advantage belongs to doing nothing with a purpose.

There are few in the world who attain to the teaching without words, and the advantage arising from non-action.

["Tao Teh King," or, "The Tao and Its Characteristics," by Lao Tzu, circa 600, BC, translated by James Legge, using the translation by Frederic H. Balfour as a secondary reference for obscure points, Part 2, Ch. 43:1-2.]