1 Timothy 3:9
having the mystery of the faith in a pure conscience.
1 Timothy 1:19
holding faith and a good conscience, which some have put away and made shipwreck as to faith.
1 Timothy 1:5
But the end of the commandment is love out of a pure heart, and a good conscience, and faith unfeigned,
1 Timothy 3:16
And without controversy great is the mystery of godliness: God was manifested in the flesh, justified in the Spirit, seen by angels, preached among nations, believed on in the world, and received up into glory.
2 John 1:9-10
Everyone transgressing and not abiding in the doctrine of Christ does not have God. He who abides in the doctrine of Christ, he has both the Father and the Son.