"Every kind of music is good, except the boring kind."

"Wagner is a composer who has beautiful moments but awful quarter hours."

"Give me a laundry-list and I'll set it to music."

"Mr. Wagner has beautiful moments but bad quarters of an hour."

"Wagner has lovely moments but awful quarters of an hour."

"One can't judge Wagner's opera Lohengrin after a first hearing, and I certainly don't intend to hear it a second time."