1 Corinthians 11:31

For if we would judge ourselves, we should not be judged.
— 1 Corinthians 11:31, King James Version

In other translations

World English Bible (WEB)

For if we discerned ourselves, we wouldn't be judged.

American Standard Version (ASV)

But if we discerned ourselves, we should not be judged.

Young's Literal Translation (YLT)

for if ourselves we were discerning, we would not be being judged,