Let them laugh that win

An older version of the next two proverbs.

He laught that wynth.
[1546 J. Heywood Dialogue of Proverbs i. v. B2]

But I zay to you my nabor [neighbour]‥wel let them laugh that win.
[a 1596 G. Peele Clyomon & Clamides F1]

The old Proverb says, let them laugh that wins.—They glory over us, by saying that our Fund is almost exhausted—that is our look out not theirs.
[1777 Bonner & Middleton's Bristol Journal 5 July 3]

‘You are laughing at me, I know.’ ‘Let them laugh that win.’
[1873 Trollope Phineas Redux I. xxxvii.]

Related to: success; winners and losers

Bibliography of major proverb collections and works cited from modern editions is available here.