Music should humbly seek to please; within these limits great beauty may perhaps be found. Extreme complication is contrary to art. Beauty must appeal to the senses, must provide us with immediate enjoyment, must impress us or insinuate itself into us without any effort on our part.

Quoted in French Music : From the Death of Berlioz to the Death of Fauré (1951) by Martin Cooper, p. 136, and in Debussy and Wagner (1979) by Robin Holloway, p. 207