Love is so much better when you are not married.
Don't talk to me about rules, dear. Wherever I stay I make the goddam rules.
That is the difference between good teachers and great teachers: good teachers make the best of a pupil's means; great teachers foresee a pupil's ends.
I want to be a mature artist with a different kind of thinking.
[During fee negotiations for singing in Vienna:] I'm not interested in money, but it must be more than anyone else gets.
There must be a law against forcing children to perform at an early age. Children should have a wonderful childhood. They should not be given too much responsibility.