"My approach tends to be from experiments. I need the challenge. If I know how to do something well, there's no need to do it all the time because it becomes a little monotonous. So I like to find a challenge."
"You can spend a lot of time conceptualizing and thinking it over, and then it's usually in the actual making and the process where there is something spontaneous that, after all that planning, you had no idea was going to happen, and when that happens is when it's interesting."
WATCH: Sarah Sze: Improvisation