Once again, the Lord has fulfilled prophecy. Jesus' ministry, death, and resurrection and God’s indwelling Holy Spirit change the hearts of believers.
The reliance is on God; and the evidence that the renewed man will be kept is this:
God began the work of grace in the soul. The Christian life begins and continues throughout eternity through the grace of our Lord Jesus Christ. We can no more save ourselves than we can wheelbarrow ourselves.
He had a design in it. It was deliberate, and intentional. It was not by chance or haphazard. It was because he had some object that was worthy of his interposition.
There is no reason he should begin such a work and then abandon it. It cannot be because he has no power to complete it, or because there are more enemies to be overcome than he had supposed; or because there are difficulties which he did not foresee; or because it is not desirable that the work should be completed. Why then should he abandon it?
God abandons nothing that he undertakes. There are no unfinished worlds or systems; no half-made and forsaken works of His hands. There is no evidence in His works of creation of change of plan, or of having forsaken what He began from disgust, or disappointment, or lack of power to complete them. Why should there be in the salvation of the soul?
Jesus promised to keep his adopted family safe through eternity.