Vous avez cherché: keep calm and let your success do the talking (Anglais - Latin)

work hard in silence, let your success do the talking g
silentio operantes

let your success be the noise
laborare in silentio

do your best and let god do the rest rest
fac optimum et deus facite cetera

keep calm and carry on
calm and carry on

keep calm and carry on !
perfer et obdura ! (ovid's amores)

work hard in silence and let your succes make the noice
laborare in silentio

ascend, and let your inner light shine
ascendens autem et interiorem luceat lux vestra

tell ye your children of it, and let your children tell their children, and their children another generation.
super hoc filiis vestris narrate et filii vestri filiis suis et filii eorum generationi altera

yet hear the word of the lord, o ye women, and let your ear receive the word of his mouth, and teach your daughters wailing, and every one her neighbour lamentation.
audite ergo mulieres verbum domini et adsumat auris vestra sermonem oris eius et docete filias vestras lamentum et unaquaeque proximam suam planctu

wherefore do ye spend money for that which is not bread? and your labour for that which satisfieth not? hearken diligently unto me, and eat ye that which is good, and let your soul delight itself in fatness.
quare adpenditis argentum non in panibus et laborem vestrum non in saturitate audite audientes me et comedite bonum et delectabitur in crassitudine anima vestr