19 No doubt there have to be differences among you to show which of you have God’s approval.

19 For there must be also heresies among you, that they which are approved may be made manifest among you.

19 But, of course, there must be divisions among you so that you who have God’s approval will be recognized!

19 For there must also be factions among you, that those who are approved may be recognized among you.

19 (It is necessary to have differences among you so that it may be clear which of you really have God’s approval.)

19 For there must be also factions among you, that they that are approved may be made manifest among you.

19 For there must also be sects among you, that the approved may become manifest among you.

19 Factions have to exist in order to make it clear who the genuine believers among you are. 

19 There must, indeed, be factions among you, so that those who are approved may be recognized among you.

19 Indeed, there have to be factions among you, for only so will it become clear who among you are genuine.

19 For indeed it is necessary that there be factions among you, in order that those who are approved may become evident among you.

19 No doubt you need to take sides in order to show which of you God agrees with!

19 For there must also be factions among you, so that those who are approved may become evident among you.