In short, the Master offers not only to change us, but to exchange with us—to exchange his goodness for our sin (see 2 Corinthians 5:21; Galatians 3:13; Philippians 3:8-9; Hebrews 2:9). He came not only to cleanse our souls but also to fill our souls. He came not only to wipe away the stains but also to endow us with his righteousness and his power. He came to perfect us. Thus it is that those who go to the celestial kingdom are those who are “just men [and women] made perfect through Jesus the mediator of the new covenant, who wrought out this perfect atonement through the shedding of his own blood” (D&C 76:69, italics added).