“Treason is a charge invented by winners as an excuse for hanging the losers.”
This is actually from the musical play 1776 (1969) by Sherman Edwards and Peter Stone, in which Franklin is portrayed as saying this.
Misattributed
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Benjamin Franklin 183
American author, printer, political theorist, politician, p… 1706–1790Related quotes

“You’re a loser, I’m a winner.”
July 23, 2019, after his victory, tell British swimmer Scott. ‘You’re a loser, I’m a winner’: Sun Yang hits out after being snubbed by Scott https://www.theguardian.com/sport/2019/jul/23/adam-peaty-backs-duncan-scott-decision-snub-sun-yang-swimming-world-championships
Quote

“Without losers, where would the winners be?”
The Gospel According to Casey (1992), ed. Berkow & Kaplan, St. Martin's Press, p. 19 : ISBN 0312069227</small> , as cited in The Executive's Book of Quotations (1994), ed. Martin & Moskin, Oxford University Press, p. 299 : <small>ISBN 0195078365

“winners see the gain; losers see the pain.”
Source: You Can Win: A Step by Step Tool for Top Achievers

“Winners and losers aren't born, they are the products of how they think”

“The world is a game of chess; the loser loses and the winner wins.”
As quoted in Jamāḷ al-Dīn al-Afghāni: A Muslim intellectual (1984) by Anwar Moazzam, p. 3

“There are winners and losers – and human will created the world we live in.”
My bright idea: Civilisation is still worth striving for