Sanctification—how many understand its full meaning? The mind is befogged by sensual malaria. The thoughts need purifying. What might not men and women have been had they realized that the treatment of the body has everything to do with the vigor and purity of mind and heart! ... Men and women have been bought with a price, and what a price! Even the life of the Son of God. What a terrible thing it is for them to place themselves in a position where their physical, mental, and moral powers are corrupted, where they lose their vigor and purity. Such men and women cannot offer an acceptable sacrifice to God.
The true Christian obtains an experience which brings holiness. He is without a spot of guilt upon the conscience or a taint of corruption upon the soul. The spirituality of the law of God, with its limiting principles, is brought into his life. The light of truth irradiates his understanding. A glow of perfect love for the Redeemer clears away the miasma which has interposed between his soul and God. The will of God has become his will, pure, elevated, refined, and sanctified. His countenance reveals the light of heaven. His body is a fit temple for the Holy Spirit. Holiness adorns his character. God can commune with him, for soul and body are in harmony with God.
There are many who, though striving to obey God’s commandments, have little peace or joy. This lack in their experience is the result of a failure to exercise faith. They walk, as it were, in a salt land, a parched wilderness. They claim little, when they might claim much; for there is no limit to the promises of God. Such ones do not correctly represent the sanctification that comes through obedience to the truth. The Lord would have all His sons and daughters happy, peaceful, and obedient. Through the exercise of faith the believer comes into possession of these blessings. Through faith, every deficiency of character may be supplied, every defilement cleansed, every fault corrected, every excellence developed. HP 200
We must pray constantly, with a humble mind and a meek and lowly spirit. We need not wait for an opportunity to kneel before God. We can pray and talk with the Lord wherever we may be. Pr 215
"And the very God of peace sanctify you wholly; and I pray God your whole spirit and soul and body be preserved blameless unto the coming of our Lord Jesus Christ." 1 Thessalonians 5:23 (King James Version)