For God hath concluded all in unbelief, that he may have mercy on all.
For God hath concluded them all in unbelief, that he might have mercy upon all.
For God has consigned (penned up) all men to disobedience, only that He may have mercy on them all [alike].
For God hath shut up all unto disobedience, that he might have mercy upon all.
God has locked up all people in disobedience, in order to have mercy on all of them.
For God has enclosed everyone in unbelief, so that he may have mercy on everyone.