Authorized Version
    For if we would judge ourselves, we should not be judged.

American Standard Version
    But if we discerned ourselves, we should not be judged.

The Bible in Basic English
    But if we were true judges of ourselves, punishment would not come on us.

The Darby Bible
    But if we judged ourselves, so were we not judged.

The Webster Bible
    For if we would judge ourselves, we should not be judged.

Young's Literal Translation
    for if ourselves we were discerning, we would not be being judged,

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