New International Version (NIV)
9They must keep hold of the deep truths of the faith with a clear conscience.
1 Timothy 3:9
1 Timothy 3:9 in 6 English translations. Each links through to the full chapter for context.
New American Standard Bible - NASB (NASB2020)
9but holding to the mystery of the faith with a clear conscience.
New American Standard Bible - NASB 1995 (NASB1995)
9but holding to the mystery of the faith with a clear conscience.
Amplified Bible (AMP)
9but upholding and fully understanding the mystery [that is, the true doctrine] of the [Christian] faith with a clear conscience [resulting from behavior consistent with spiritual maturity].
Berean Standard Bible (BSB)
9They must hold to the mystery of the faith with a clear conscience.
New International Reader’s Version (NIrV)
9They must hold on to the deep truths of the faith. Even their own minds tell them to do that.