Faced with the choice between changing one's mind and proving that there is no need to do so, almost everyone gets busy on the proof.
“The biggest thrill you can have is to tell people one of your songs, and have them be able to hum it.”
“Many, many years ago, I was one of the few conductors who talked to the audience and now a lot of classical conductors have figured it out... otherwise, you just get the back of someone's head playing music you could hear on a CD. It's not enough anymore.”