I remember once visiting an outdoor exhibition of sculpture in Arnhem, the Netherlands. One of the artists had placed this notice at the base of a majestic beech: "Statues are hewn by fools like me: only God could make this tree." The Taoists looked at the inside of the tree. They saw God present, not as the super-sculptor, but as the primal force from which the tree drew its being and its specific form. Becoming aware of this divine origin was for them "great knowledge," to be distinguished from the "small knowledge" of our petty, every-day existence.