Whenever you wash dishes, cook, or clean, if you make no sound, this is smartness itself. A person who enters a house and makes a lot of noise is revealing a lack of spirituality; even cats and dogs do not make unnecessary sounds, and man as he naturally is does not make any either.

p. 4 - Spiritual Journey: Michio Kushi's Guide to Endless Self-Realization and Freedom (1994, with Edward Esko)