Any substance or thing that is of high grade, superior, or excellent. Often used in macrobiotics to denote organic foods that are free from chemicals and additives.

Ohsawa teaches that quantity destroys quality. Eating too much quantity, even though it is of the finest quality, can be detrimental to one’s health. “Eat and drink only the absolute minimum, remembering that quantity changes quality—and that individual needs are different.” Cancer and the Philosophy of the Far East, 33.