The believer who neglects the deliberate and active mortification of sin has a heart choked by weeds because sin is allowed to run free and his or her flesh rules their lives. He or she has a darkened soul. Even though they may indeed search for faith, love, and zeal, they will probably not be able to find any. By God’s grace, they may discover the weak and neglected remnants of them, but their hearts are so clogged with lusts, that they are of very little use to them. But now let the heart be cleansed by mortification of the weeds of lust being constantly and daily being rooted up! Let room be made for grace to thrive and flourish. Then will God’s grace act its part, and be ready for every use and purpose.

A Song. A Psalm of the Sons of Korah. For the choir director; according to Mahalath Leannoth.  A maskil of Heman the Ezrahite.
1 O LORD, the God of my salvation,
I have cried out by day and in the night before You.
2 Let my prayer come before You;
Incline Your ear to my cry!
3 For my soul has had enough troubles,
And my life has drawn near to Sheol.
4 I am reckoned among those who go down to the pit;
I have become like a man without strength,
5 Forsaken among the dead,
Like the slain who lie in the grave,
Whom You remember no more,
And they are cut off from Your hand.
6 You have put me in the lowest pit,
In dark places, in the depths.
7 Your wrath has rested upon me,
And You have afflicted me with all Your waves.
Selah.
8 You have removed my acquaintances far from me;
You have made me an object of loathing to them;
I am shut up and cannot go out. Psalms 88:1-8 (NASB)

Despite what many faux-Christian leaders are teaching in our day about the necessity of repentance in the life of the believer, the Word of God teaches us something entirely different. In it, we learn that the life, vigor, and comfort of our spiritual life depends much on our actively and deliberately mortifying the sin that clings so closely. This teaching has unfortunately been neglected much over the last several decades to the point that some scoff at its necessity in the Christian walk. However, if we go back and read the Puritans and others that came before we find that personal holiness has not always been neglected in the Church as it has been in our day.

If a professing Christian considers of little value spiritual strength, comfort, power, and peace in his or her walk with God then there is a problem. Why? The genuine believer, being a new creation with a new nature, deeply desires these things. He or she has a growing hatred of sin while their love of holiness is continually increasing. These are indicators of the working of God’s Spirit in the heart to sanctify the believer unto Christlikeness. These believers have an insatiable hunger and desire for a level of obedience to their Lord that is marked by spiritual strength, power, vigor, and life as they walk with God day by day. Along with this, he or she deeply desires peace, comfort, and consolation within that walk.

On the other hand, many professing believers see no value in any of those things. Their focus is elsewhere. Their desires are controlled by their lusts. Since their souls are not illuminated by God’s truth and grace, they become more and more darkened. Their ability to recognize what is true and what is false becomes distorted. It is these professing Christians who have constructed or participate in a form of religion they call Christian but its values and constructs are according to what seems right to man. Their sins are not mortified so their hearts are darkened.

However, many a good Christian, while deeply desiring to kill their sin and walk in holiness before their God, even as they are on a constant course of mortification all their days, never enjoy a good day of peace and consolation. We see this in the passage I placed at the top of this post. I can relate to Heman, who wrote this Psalm, because there are days that I feel much like this even as I prayerfully seek to kill the sins that are tempting me as my flesh demands to be fed. Heman’s life was one marked by a perpetual mortification and walking with God, however, terrors and wounds were his portion all his days. God singled out Heman for this walk. Why? He used Heman, his choice friend, to make him an example to those that are fighting the same battle who read Psalm 88 and find therein comfort and encouragement by God’s grace.

The blessings of the sin mortified walk help us in pursuit of affirmation, vigor, courage, and a spirit-filled life as the Holy Spirit bears witness with our spirits that we are the children of God. Why? Victory over these sins keeps them from depriving us of fellowship and intimacy with God. On the other hand, when sin is allowed to live uncontested in the believer it will certainly weaken the soul, depriving it of its vigor while it also darkens the soul depriving it of comfort and peace.

The sin-weakened soul of the believer is deprived of spiritual strength. When David had sinned by committing adultery with Bathsheba and murdering her husband he then attempted to cover it up. However, the affects of this unmortified sin on David’s soul were dramatic.

3 There is no soundness in my flesh because of Your indignation;
There is no health in my bones because of my sin.
4 For my iniquities are gone over my head;
As a heavy burden they weigh too much for me.
5 My wounds grow foul and fester
Because of my folly.
6 I am bent over and greatly bowed down;
I go mourning all day long. Psalms 38:3-6 (NASB)

Unmortified lust will drink up the spirit and all vigor of the soul, and weaken it for all duties. Why? It clouds and scrambles the heart itself, by entangling its affections. It diverts the heart from its proper focus, the glory of God, which is required for vigorous communion with Him.

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