Effortless [performance] and improvisation are two different things. Just because it's improvised doesn't mean it's effortless and just because it's effortless doesn't necessarily mean it's improvised.
Christoph WaltzI had to learn how to drive a cement truck because there is a whole car chase with cement trucks, so I had to learn how to drive a cement truck. I don't like these things, but I'm not an idiot. I can do it.
Christoph WaltzYou can't always do the extraordinary, in between you have to do the ordinary. Because if you didn't, what would constitute the extraordinary?
Christoph Waltz