2 Corinthians 4:5-7

For we do not preach ourselves but Christ Jesus as Lord, and ourselves as your bond-servants for Jesus’ sake. For God, who said, “Light shall shine out of darkness,” is the One who has shone in our hearts to give the Light of the knowledge of the glory of God in the face of Christ. But we have this treasure in earthen vessels, so that the surpassing greatness of the power will be of God and not from ourselves