One night in 2013, founding Grateful Dead guitarist Bob Weir was playing a set with his RatDog quartet at the Sweetwater Music Hall in Mill Valley, California when a group of patrons wouldn’t quiet down. Weir took the opportunity—mid-solo—to not-so-politely ask the group to keep it down. Except that’s not the phrase he used!
Addition and multiplication are commutative in most number systems, and, in particular, between natural numbers, integers, rational numbers, real numbers and complex numbers.
It is quite possible that we are descending into an age in which two plus two will make five when the Leader says so. George Orwell, review of Power: A New Social Analysis by Bertrand Russell in The Adelphi (January 1939)