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1.
The Psychological version of his 3rd Law ("for every action… ) of Motion.

Alluded to in Matthew 7:1, "Judge not… "

Unlike Physics, tends to build into a frenzy, akin to one upping & pissing contest, not settle down.
The 'turd' reference is from apeshit, from a the practice of an enraged ape, takes or finds his recent dump and hurling it
Counselors & Priests see plenty of Newton's Turd in action when dealing with marital & relationship problems
by Kozmo the WordWíld September 21, 2013