Just think on these words from B. Baksteen of the
Dutch Airline Pilot Association back in a 1995 paper on flight safety.
Pilots promise their passengers a safe flight and by sharing that flight with the passengers, they provide the ultimate guarantee: their own life. That goes a few steps beyond putting your money where your mouth is.
anyone who wants to read the whole thing can find it at Safety Science 19 (1995) 287-294