Light And Darkness Cannot Mix

LIGHT AND DARKNESS CANNOT MIX – Living a Separated Life unto God

By Rev. Samuel Arimoro

Main Text: 2 Corinthians 6:14-18

Supporting Texts: Ephesians 5:8-11; John 8:12; Romans 12:1-2; 1 Peter 2:9-10; James 4:4

OPENING PRAYER

Heavenly Father,

We thank You for this precious moment in Your presence. You are the Father of lights, and in You there is no darkness at all. Today, we gather with open hearts to learn at Your feet and to be transformed by Your Word.

Lord, as we study the truth that light and darkness cannot mix, open our spiritual understanding. Let Your Word expose every hidden work of darkness in our lives and fill us afresh with the light of Your holiness, righteousness, and truth.

Grant us the grace to live a separated and consecrated life unto You. Let Your Spirit convict, cleanse, and empower us to walk as children of light in this dark world. May everything said and done today glorify Your holy name.

Father, take absolute control of this session; speak to us, teach us, and let Your light shine through us. We bind every spirit of distraction and confusion, and we declare that Jesus alone will be exalted in our midst.

Thank You, Lord, for the victory of light over darkness.

In Jesus’ mighty name we pray,

Amen.

INTRODUCTION

The Christian life is a call to separation. It is not a call to isolation from the world, but a call to distinction in character, conduct, and conviction. God’s people are called to walk in light while the world abides in darkness. From the beginning of creation, God made a clear distinction between light and darkness (Genesis 1:3-4). That separation remains the foundation of all divine order.

In the same way, when a person comes to Christ, he is translated from the kingdom of darkness into the kingdom of light (Colossians 1:13). The two realms: light and darkness  are eternally opposed and cannot mix. Every true believer must therefore make a conscious decision to live a separated life unto God.

Paul’s admonition in 2 Corinthians 6:14-18 is one of the clearest biblical calls to separation. He warns believers against unequal yoking with unbelievers and emphasises that there is no fellowship between righteousness and unrighteousness, light and darkness, Christ and Belial. Living a life of separation is not optional; it is the mark of genuine discipleship and the pathway to divine intimacy.

1. UNDERSTANDING THE CONCEPT OF LIGHT AND DARKNESS

a) Light Symbolises God’s Nature

Light in Scripture represents purity, truth, holiness, and divine presence. God Himself is called Light (1 John 1:5). To walk in the light is to live in fellowship with Him and in obedience to His Word. When Jesus said, “I am the light of the world” (John 8:12), He was declaring Himself as the embodiment of divine truth and the revelation of God’s nature to humanity.

b) Darkness Symbolises Sin and Ignorance

Darkness represents moral corruption, spiritual blindness, and rebellion against God. Those who live in darkness are controlled by sin, led by ignorance, and enslaved by the devil (Ephesians 2:1–3). Darkness hides truth and promotes deception.

c) Light and Darkness Are Incompatible

Just as day and night cannot exist together, light and darkness cannot coexist in the same heart or life. When light enters, darkness flees. The believer must therefore choose one realm. Jesus said, “No man can serve two masters” (Matthew 6:24).

d) The Call to Walk in the Light

Believers are not only called to receive light but to walk in it daily (1 John 1:7). Walking in the light means living in righteousness, transparency, and obedience to God’s will. It is a continuous journey of sanctification.

e) Biblical Example:

The Israelites in Egypt — When darkness covered the land of Egypt, the children of Israel had light in their dwellings (Exodus 10:21-23). God made a clear separation between His people and the world. This is symbolic of the believer’s position in a dark world.

2. THE MEANING OF SEPARATION UNTO GOD

a) Separation Is a Divine Requirement

God has always demanded separation from His people. In Leviticus 20:26, He said, “You shall be holy unto Me, for I the Lord am holy, and have severed you from other people.” Holiness means being set apart for God’s purpose.

b) Separation Is Not Isolation

Living a separated life does not mean cutting off all contact with unbelievers. Jesus ate with sinners, yet He was never influenced by them. Separation is about influence, allegiance, and identity; not physical withdrawal.

c) Separation Begins in the Heart

Before it becomes a lifestyle, separation begins in the heart. A heart devoted to God will naturally reject ungodly associations and practices (Proverbs 4:23).

d) Separation Is Both Negative and Positive

Negatively, it means coming out from everything unclean or ungodly. Positively, it means coming into a deeper fellowship with God. God said, “Come out from among them… and I will receive you” (2 Corinthians 6:17).