What I love about cooking is that after a hard day, there is something comforting about the fact that if you melt butter and add flour and then hot stock, it will get thick! It's a sure thing! It's a sure thing in a world where nothing is sure; it has a mathematical certainty in a world where those of us who long for some kind of certainty are forced to settle for crossword puzzles.
Tao is the source of both fullness and emptiness. But it is itself neither fullness nor emptiness.