KEEPING THE HEART: John Flavel

"Keep your heart with all diligence; for out of it are the issues of life." Proverbs 4:23

The heart of man is his worst part before it is regenerated—and the best afterward. It is the seat of principles, and the fountain of actions. The eye of God is fixed upon it—and the eye of the Christian ought to be principally fixed upon it. The greatest difficulty in conversion—is to win the heart to God. The greatest difficulty after conversion—is to keep the heart with God. Here lies the very force and stress of religion; here is that which makes the way to life a narrow way, and the gate of heaven a strait gate.

Keep your heart. By heart, in a metaphor, the Scripture sometimes represents some particular noble faculty of the soul. In Rom. 1:21, it is put for the understanding; their foolish heart, that is, their foolish understanding was darkened. Psalm 119:11, it is put for the memory; "Your word have I hid in my heart:" and 1 John 3:10, it is put for the conscience, which includes both the light of the understanding and the recognitions of the memory; if our heart condemns us, that is, if our conscience, whose proper office it is to condemn. But in the text we are to take it more generally, for the whole soul, or inner man.

What the heart is to the body—that the soul is to the man. What health is to the heart—that holiness is to the soul. The state of the whole body depends upon the soundness and vigor of the heart—and the everlasting state of the whole man upon the good or ill condition of the soul.

By keeping the heart, we mean the diligent and constant use of all holy means to preserve the soul from sin, and maintaining its sweet and free communion with God. I say constant, for the reason added in the text extends the duty to all the states and conditions of a Christian's life, and makes it binding always. If the heart must be kept, because out of it are the issues of life, then as long as these issues of life do flow out of it, we are obliged to keep it.

Keep your heart, seems to put it upon us as our work, yet it does not imply a sufficiency in us to do it. We are as able to stop the sun in its course, or to make the rivers run backward—as by our own will and power to rule and order our hearts. We may as well be our own saviors as our own keepers; and yet Solomon speaks properly enough when he says, "Keep your heart," because the duty is ours, though the power is of God; what power we have depends upon the exciting and assisting strength of Christ. Grace within us is beholden to grace outside us. "Without me you can do nothing."

There is a spiritual luster and beauty in the lives of saints. "The righteous is more excellent than his neighbor;" saints shine as the lights of the world; but whatever luster and beauty is in their lives, comes from the excellency of their spirits; as the candle within puts luster upon the lantern in which it shines. It is impossible that a disordered and neglected heart should ever produce a well-ordered conversation; and since (as the text observes) the issues or streams of life flow out of the heart as their fountain, it must follow, that such as the heart is—the life will be.

Hence 1 Peter 2:11-12, "Abstain from fleshly lusts—having your conversation honest," or beautiful, as the Greek word imports. So Isaiah, 55:7. "Let the wicked forsake his way, and the unrighteous man his thoughts." His way, denotes the course of his life; his thoughts, the frame of his heart: and therefore since the course of his life flows from his thoughts, or the frame of his heart—neither will be forsaken.

The heart is the source of all actions; these actions are virtually and radically contained in our thoughts; these thoughts being once made up into affections, are quickly made out into suitable actions. If the heart is wicked, then, as Christ says, "Out of the heart proceed evil thoughts..."

I never knew grace to thrive in a careless soul. The habits and roots of grace are planted in the heart; and the deeper they are rooted there, the more flourishing grace is. In Eph. 3:17, we read of being "rooted" in grace; grace in the heart is the root of every gracious word in the mouth, and of every holy work in the hand. It is true, Christ is the root of a Christian, But Christ is the originating root, and grace a root planted and nourished by Christ.

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Excerpts from On Keeping the Heart, John Flavel