But if we walk in the light, as he is in the light, we have fellowship with one another, and the blood of Jesus Christ, his Son, cleanses us from all sin.

 (i) Darkness stands for the Christless life. It represents the life that a man lived before he met Christ or the life that he lives if he strays away from him. John writes to his people that, now that Christ has come, the darkness is past and the true light shines ( 1 John 2:8). Paul writes to his Christian friends that once they were darkness but now they are light in the Lord ( Ephesians 5:8). God has delivered us from the power of darkness and brought us into the Kingdom of his dear Son ( Colossians 1:13). Christians are not in darkness, for they are children of the day ( 1 Thessalonians 5:4-5). Those who follow Christ shall not walk in darkness, as others must, but they will have the light of life ( John 8:12). God has called the Christians out of darkness into his marvellous light ( 1 Peter 2:9). 