What is Murphy's Law?

Lol, the story of my life...

It also can be added with the phrase "At the most inopportune time" so "Any thing that can go wrong, will go wrong, at the most inopportune time". The phrase with which I have lived with all my life as a maintenance technician.

in the 80s a group named cheri had a one hit wonder with a song by the same name apparently some ex boyfriend had a song written for him instead of getting the typical dear John letter or note saying how she doesn't luv him anymore which is how the song begins hahaha

Danielle, In the UK it's commonly called "sod's law" There is a sympathetic colloquialism for someone who has an unfortunate accident " unlucky sod"

Danielle, Mine too lol

Shelby Johnson, that "negative energy" might give you high blood pressure or maybe an ulcer, but controlling the weather? Don't flatter yourself.

toe jam, Newton's First Law of Motion.

toe jam, inertia

toe jam, Newton's law.

what is, something in motion, stays in motion.

Wait for the best and prepare for the worst

An airforce mechanic during WW2coined the term, if anything can go wrong, it will, at the worst possible moment

Penned many ages prior-in the days, long preceding - "planned obselesence".