Who really said it
Never argue with stupid people, they will drag you down to their level and beat you with experience
There is no Twain source of any kind — the attribution does not appear in print at all, and surfaces on social media only around 2009, ninety-nine years after he died. The oldest version we can date is from 13 November 1956, in a news profile of the actor Yul Brynner, who was asked for the best advice he had ever received and credited his friend Jean Cocteau.
Last verified 20 Jul 2026 · how we verify · spot an error?