"zen to aku" is a common Japanese expression that means "good and evil". It also means "wholeness" and "everything", among a bunch of other meanings (not all sp

"zen to aku" is a common Japanese expression that means "good and evil". It also means "wholeness" and "everything", among a bunch of other meanings (not all spelled with the same character, but pronounced the same). Zen is a very broad term in Japanese, that probably encompasses the western notion.