3:9 slack concerning his promise. The Lord has not forgotten His promise to return to earth, as the scoffers have charged (II Peter 3:3,4), but is still waiting for others to “come to repentance”—that is, to “change their minds,” turning away from conformity to this world’s philosophy (Romans 12:2) and turning to Christ for salvation. But God’s promise will, indeed, be fulfilled (II Peter 3:13).