15 See then that you walk circumspectly, not as fools but as wise, 16 redeeming the time, because the days are evil. 17 Therefore do not be unwise, but understand what the will of the Lord is. 18 And do not be drunk with wine, in which is dissipation; but be filled with the Spirit (Ephesians 5:15–18, NKJV)
Having just exhorted Christians to “walk as children of light”, the apostle states several necessary things: “walk circumspectly”, “redeem the time”, “understand what the will of the Lord is” and “be filled with the Spirit” (Eph. 5:8-10, 15-18). These are commandments, not mere suggestions. Without obeying them one cannot walk as a child of light. The question arises, how does a person obey the command to be “filled with the Spirit”? How do you do that? The answer is revealed in Colossians 3:16 (which corresponds to Eph. 5:18-19): “Let the word of Christ dwell in you richly in all wisdom, teaching and admonishing one another in psalms and hymns and spiritual songs, singing with grace in your hearts to the Lord”. To be “filled with the Spirit” means to let “the word of Christ dwell in you richly”. The Holy Spirit helps the Christian walk as a child of light by means of the Scriptures, the word of Christ He revealed and inspired. There is no relationship with the Spirit of God where the word of God is absent from your heart and life. Be filled with the Spirit of God by being filled with the word of God.