unless it be such [of them] as [repent, and] attain to faith, and do good works: for theirs shall be a reward unending!.

Except to those who believe and work righteous deeds: For them is a Reward that will never fail.

Save those who believe and do good works, for theirs is a reward unfailing.

Except those who believe and do good -- for them is a reward that shall never be cut off.

Except for those who believe and do righteous deeds. For them is a reward uninterrupted.