Paul's conversion was an instance of divine power, and of that alone, and so is every true conversion. If your conversion is an instance of the preacher's power, you need to be converted again; if your salvation is the result of your own power, it is a miserable deception, from which you may be delivered. Every man who is saved must be operated upon by the mighty God the Holy Spirit: Every jot and tittle of true regeneration is the Spirit's work. As for our strength, it warreth against salvation rather than for it. Blessed is that promise, "Thy people shall be willing in the day of Thy power." Conversion is as much a work of God's omnipotence as the resurrection; and as the dead do not raise themselves, so neither do men convert themselves.