40:85 falam yaku yanfa’Uhum iymaanuhum lam-maa ra-aw ba’sanaa* sun-natal-laahil-latiy qad khalat fiy ‘Ibaadih* wa khasira hunaalikal kaafiruun

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Ahmed Raza Khan: Mohammed Aqib Qadri:
So their accepting of faith did not benefit them when they saw Our punishment; the tradition of Allah which has passed among His bondmen; and there were the disbelievers ruined.

Yusuf Ali:
But their professing the Faith when they (actually) saw Our Punishment was not going to profit them. (Such has been) Allah's Way of dealing with His Servants (from the most ancient times). And even thus did the Rejecters of Allah perish (utterly)!

Pickthal:
But their faith could not avail them when they saw Our doom. This is Allah's law which hath ever taken course for His bondmen. And then the disbelievers will be ruined.