Latter-day Saints have often been critical of those who emphasize salvation by grace alone, while we have often been criticised for a type of works-righteousness. The gospel is in fact a gospel covenant—a two-way promise. The Lord agrees to do for us what we could never do for ourselves—to forgive our sins, to lift our burdens, to renew our souls and re-create our nature, to raise us from the dead, and to qualify us for glory hereafter. At the same time, we promise to do what we can do: come unto Christ by covenant, commit our lives to him as Lord and Master, receive the appropriate ordinances (sacraments), love and serve one another, and do all in our power to put off the natural man and deny ourselves of un-godliness. We know, without question, that the power to save us, to change us, to renew our souls, is in Christ. True faith, however, always manifests itself in faithfulness. "When faith springs up in the heart," Brigham Young taught, "good works will, and good works will increase that pure faith within them.