If you don't have a big enough shovel, you get some friends to help you.
Paul MacCready Quotes
Paul Beatty MacCready, Jr. (September 25, 1925 – August 28, 2007) was an American aeronautical engineer. He was the founder of AeroVironment and the inventor of the first practical flying machine powered by a human being.
Attribution
Quotes and notes from Wikiquote: Paul MacCready (page history), available under CC BY-SA 4.0.