“And let the peace of God rule in your hearts, to the which also ye are called in one body; and be ye thankful.”
[Colossians 3:15]

There are many things competing for authority within the human heart. Fear tells us to protect ourselves. Pride tells us to defend our position. Anger demands a response, while anxiety insists that every uncertain possibility must be examined before we can rest. Each emotion makes its case as though it deserves to decide what happens next.

Paul introduces another authority: “let the peace of God rule in your hearts.” His choice of language is important. Peace is not presented merely as a pleasant feeling we experience when life becomes easier. It is given a governing role. Something must rule the inner life, and Paul tells us that the peace of God should be allowed to do so.

What Is Ruling the Heart?

We often recognise what rules us by observing what determines our responses. A person ruled by fear will make decisions primarily to avoid what might go wrong. Someone ruled by pride will struggle to admit fault because protecting self-image matters more than restoring the relationship. A heart ruled by resentment may continue revisiting an old wound because letting it go feels like surrendering justice.

These emotions are real, and Scripture does not require us to pretend otherwise. The issue is not whether we ever feel fear, anger, disappointment or uncertainty. The deeper question is whether those feelings are permitted to occupy the throne. An emotion may speak without being obeyed.

This is one of the quiet disciplines of Christian maturity. We learn to recognise what is happening within us without immediately surrendering ourselves to it. Anger may tell us to speak, but peace may tell us to wait. Fear may tell us to withdraw, while faith calls us forward. Pride may insist upon being vindicated, but the peace of God may show us that winning the argument is less important than preserving what is good. The ordered soul is not emotionless. It is governed.

Peace as an Inner Referee

The word Paul uses for “rule” carries the idea of deciding or directing, like an umpire determining what should stand. This gives us a helpful picture of peace. When competing impulses arise, the peace of God helps establish which response belongs to the life Christ is forming within us.

This does not mean that every difficult decision will produce an immediate feeling of tranquillity. Sometimes obedience is uncomfortable. Telling the truth may disturb a relationship before it heals it. Establishing a necessary boundary may initially create tension. Confronting something wrong may be far less comfortable than remaining silent.

Biblical peace must therefore never be confused with simply choosing whatever feels easiest.

The peace of God is connected to the character and purposes of God. It cannot lead us into dishonesty, selfishness or moral compromise. Peace does not replace truth; it enables us to respond to truth without allowing inner disorder to determine how we behave.

This distinction matters because avoidance can sometimes disguise itself as peace. We may say that we do not want conflict when what we really mean is that we do not want discomfort. Genuine peace may occasionally require us to enter a difficult conversation, but it changes the spirit in which we enter it.

Called Into One Body

Paul then moves from the individual heart to the Christian community: “to the which also ye are called in one body.” Peace is never entirely private because the condition of our hearts eventually enters our relationships.

Inner disorder rarely remains hidden forever. Resentment becomes sharpness. Insecurity becomes defensiveness. Pride becomes competition, while unresolved anger begins shaping the atmosphere around us. What rules the heart eventually influences the home, church, friendship or workplace.

This is why allowing God’s peace to rule within us becomes an act of service to others. A peaceful person does not remove every disagreement, but they can prevent disagreement from becoming unnecessary destruction. They can listen without immediately defending themselves, disagree without contempt and forgive without continually reopening the offence.

Paul adds one final instruction: “and be ye thankful.” Gratitude is closely connected with peace because it changes where the heart looks. Anxiety focuses upon what may be lost, while gratitude remembers what has already been given. Resentment counts offences, while gratitude becomes conscious of mercy.

Perhaps this is one reason thankfulness appears here. A grateful heart is less easily governed by the restless demand that life must always be different before we can be content.

Every day something will attempt to rule within us. There will be moments when fear speaks loudly, when irritation feels justified or when pride insists upon having the final word. The question is not whether these voices will appear, but which voice we will permit to govern our response.

Paul’s instruction is simple, but its consequences reach deeply into the soul. Let the peace of God rule.

When it does, peace becomes more than something we occasionally feel. It becomes part of the order by which we live.

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