As quoted in Garnett, Vallée, Brandl, The Universal Anthology, Vol 12 (1809), p. 192.
Galen on Music
Attribution
Quotes and notes from Wikiquote: Galen (page history), available under CC BY-SA 4.0.
Quotes and notes from Wikiquote: Galen (page history), available under CC BY-SA 4.0.