“If we walk in the light as He Himself is in the light, we have fellowship with one another, and the blood of Jesus His Son cleanses us from all sin” (1 John 1:7). God is light, and His children share His nature. First John 1:5 aptly describes God’s nature as “light” (truth and holiness). Because they partake of His nature (2 Peter 1:4), His children also walk in the light. It must be understood that we don’t become God’s children by walking in the light, but rather we walk in the light because we are His children. The Greek...