We built a jet airplane to get in and out of a 5,000-ft field. No one believed it could be done. Joe Sutter More Quotes by Joe Sutter More Quotes From Joe Sutter When we were told it's impossible, we knew it's the right way to be done. Joe Sutter not-giving-up done motivational At the start of any program, asking questions is the most important part of the process. If you get [the customer's] requirements wrong, then you don't have a successful product. Joe Sutter asking-questions important successful . . . It wasn't until the jet engine came into being and that engine was coupled with special airplane designs - such as the swept wing - that airplanes finally achieved a high enough work capability, efficiency and comfort level to allow air transportation to really take off. Joe Sutter jet-engines airplane wings