proverb

on ne change pas une équipe qui gagne

/ɔ̃ n(ə) ʃɑ̃ʒ pa y.n‿e.kip ki ɡaɲ/

proverb/ɔ̃ n(ə) ʃɑ̃ʒ pa y.n‿e.kip ki ɡaɲ/

don't change a winning team; if it ain't broke, don't fix it

Literally, “one does not change a winning team”.