After doing so many different roles, if you don't stretch yourself, there's no excitement left.
What opera isn't violent? Two things happen, violence and love. And other than that, name something else. You can't.
Now, the language that had grown up and formed itself on those principles is what one is dealing with, and the problem is to bring a work of art in that medium into another medium formed on different principles and heard and understood in a different way.

