5:4 fallen away from grace. That is, they would be renouncing God’s grace by no longer relying on it. Those who are chosen in Christ will be kept from such a renunciation of the gospel, and Paul continues to have confidence that his warning will be heeded (v. 10). There may be those, however, who appear to us to be true members of Christ who will abandon the gospel (Rom. 11:22; 1 John 2:19). Scripture admonishes us, therefore, to be “diligent to make your calling and election sure” (2 Pet. 1:10) by living in a way that demonstrates the reality of the Spirit’s presence within us (5:16–6:10; Heb. 10:26, 27; 2 Pet. 1:5–11).