It's much harder to work for yourself, by yourself, than to...

It's much harder to work for yourself, by yourself, than to create work for a gallery, because there are no limits and you can do anything you want. It's always easier when you have a parameter, when you have a limit. You can work within the limit and push it and walk the line, but when you're given absolutely no limits, it's harder. You must really think. It's more challenging.