What the Wright Brothers and other early-aviation pioneers had to face every time they took to the skies in their primitive flying-machine inventions.
When airplanes were first being tried out at carnivals and trade-shows, many people were afraid to ride in them due to a perceived (and often-all-too-true!) "flight-risk". So a standard "grim grins" statement that these distrustful folks would make in retort/reply to an offer to climb aboard one of those airborne coffins was, "Yeah, sure --- I'll fly... if I can keep one FOOT ON THE GROUND!"
by QuacksO August 3, 2019