1 Corinthians 11:19

For there must be also heresies among you, that they which are approved may be made manifest among you.
— 1 Corinthians 11:19, King James Version

In other translations

World English Bible (WEB)

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

American Standard Version (ASV)

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

Young's Literal Translation (YLT)

for it behoveth sects also to be among you, that those approved may become manifest among you;