Many Christians do not take holiness seriously. They do not realize that to be holy is a commandment from God. Since God has called us to holiness, we have to will ourselves to live the holy life.
In 1 Peter 1:13 -16, we see God's call to holiness: "Therefore gird up the loins of your mind, be sober, and rest your hope fully upon the grace that is to be brought to you at the revelation of Jesus Christ; as obedient children, not conforming yourselves to the former lusts, as in your ignorance; but as He who called you is holy, you also be holy in all your conduct, because it is written, 'Be holy, for... (Continued)