They must hold the mystery of the faith with a clear conscience.
having faith and a good conscience. By rejecting this, some have shipwrecked their faith.
The goal of our instruction is love from a pure heart, from a good conscience, and from sincere faith.
Beyond all question, great is the mystery of godliness: God was revealed in the flesh, vindicated by the Spirit, seen by angels, preached among nations, believed on in the world, and taken up in glory.