I would not kill my enemies, but I will make them get down on their knees. I will, I can, I must.

When my enemies stop hissing, I shall know I'm slipping.

When my enemies stop hissing, I shall know I'm slipping.

You are born an artist or you are not. And you stay an artist, dear, even if your voice is less of a fireworks. The artist is always there.

Good teachers make the best of a pupil's means; great teachers foresee a pupil's ends.

An opera begins long before the curtain goes up and ends long after it has come down. It starts in my imagination, it becomes my life, and it stays part of my life long after I've left the opera house.