These verses show that we indeed do possess sin. Since we have sin, dealing with good and evil cannot help us. Its a worse scenario than simply resorting to the knowledge of good and evil in order to recover ourselves. That makes it a matter of life and death, not simply good and evil. God looked at a mess of darkness and chaos, and His Spirit moved.
Light shines in darkness.
Light overpowers darkness. When light shines to men, the only part that remains dark is that which does not comprehend the light. They are closed to it. There is no condemnation if we hear Him. For every one that doeth evil hateth the light, neither cometh to the light, lest his deeds should be reproved.