Quran 3:141

This is so that God may try the faithful and destroy the unbelievers.

And so that Allah may purge [the hearts of] those who have faith and that He may wipe out the faithless.

And so that Allah may purify* the believers, and destroy the disbelievers. (* Forgive them their sins, if any.)

and that God may prove the believers, and blot out the unbelievers.

And so that may purify Allah those who believe and destroy the disbelievers.

And that Allah may purge those who believe and destroy the infidels.

And that Allah may test (or purify) the believers (from sins) and destroy the disbelievers.

and makes men go through trials in order that He might purge the believers and blot out those who deny the Truth.

test the faith of the believers, and deprive the unbelievers of (His) blessings.

And that He may purge those who believe and deprive the unbelievers of blessings.

And that Allah may prove those who believe, and may blight the disbelievers.

and so that Allah will examine those who believe and efface the unbelievers.

And that Allah may purify the believers [through trials] and destroy the disbelievers.

So that God may prove those who believe, and eliminate the disbelievers.

so that God may purge those who believe and wipe out those who deny the truth.

Allah's object also is to purge those that are true in Faith and to deprive of blessing Those that resist Faith.