If you want something done, ask a busy person to do it. The more things you do, the more you can do.
Yes - it's the same in any other work - the more you massage your thinking the more capable I believe you are of expanding how you go about things and learning.
The reality is we talk a lot about it, but we really don't give everyone an opportunity to buy into it, and this combines both the best of Republican and Democratic ideals.