Hanlon's razor
Apophenia – Tendency to perceive connections between unrelated things
Dunning–Kruger effect – Cognitive bias in which people with low ability at a task overestimate their ability
Finagle's law – Anything that can go wrong, will—at the worst possible moment
Good faith – Intention to be fair, open, and honest
idiot-proof – Designed to be proof against misuse or error
Peter principle – Concept that people in a hierarchy are promoted until no longer competent