Proverbs 11:3 (ESV)

The integrity of the upright guides them, but the crookedness of the treacherous destroys them.

integrity[ in-teg-ri-tee ]
noun
adherence to moral and ethical principles; soundness of moral character; honesty.

The Integrity of the upright guides them, but the unfaithful are destroyed by their duplicity. Psalm 11:3 (NIV)

Christian integrity is living like Jesus all the time.

Only let your manner of life be worthy of the Gospel of Christ, so that whether I come and see you or am absent, I may hear of you that you are standing firm in one spirit, with one mind striving side by side for the faith of the Gospel.
-Philippians 1:27

Integrity guides.

The Integrity of the upright guides them, but the unfaithful are destroyed by their duplicity.
Proverbs 11:3 (NIV)

Integrity guides; Duplicity destroys.