I never knew the source of "Murphy's Law" and am surprised it had its genesis in Safety. If nothing else this is a good topic for the morning meeting safety topic.
Lt. Col. John Stapp, the overall commander of the MX981 project, was soon asked by a reporter how they managed to avoid any injuries or fatalities with a project like his. Stapp told the reporter that his crew operated under "Murphy's Law, if anything can go wrong, it will." He was trying to tell the reporter that the Air Force anticipated possible failures, assuming a worst-case scenario, and to address those possibilities before anyone got hurt.
The Real-Life Murphy and How 'Murphy's Law' Came to Behttps://www.military.com/history/real-life-murphy-and-how-murphys-law-came-be.html?ESRC=eb_220613.nl