John 3:19-20
And this is the condemnation, that light is come into the world, and men loved darkness rather than light, because their deeds were evil.  For every one that doeth evil hateth the light, neither cometh to the light, lest his deeds should be reproved.

This is our problem—We love darkness.  Our hearts are full of evil and sin.  Most of the time, Satan doesn’t have to do much, if anything, to get us to sin or to lead us into temptation because we are actively seeking it for ourselves.  We’re dwelling in darkness.  We prefer it.  We want it.  We choose it.  And in that place of darkness, we try to shut out all the light so we can keep doing those evil deeds.

But that should change once we come to know Christ.  When we know Him, His light is in us, and that darkness should seem foreign and uncomfortable, like we don’t belong there anymore.  We turn away from those shadowy places and reject the evil within them.  Our lives, then, are no longer about loving darkness and doing evil, but loving Jesus and doing what He wants us to do.

The world will try to overcome us with its darkness.  It will try to drag us back down to evil places and evil paths.  So we need to continually walk in God’s light.  We spend time in His Word and in His presence.  We’re willing to change what we do and what we focus on.  The difference between darkness and light is stark, and that difference should be evident in our lives when we come to the Light and let Him shine through us.

The truth is, there is a darkness inside us that is all-consuming, but Jesus, the light of the world, casts out the darkness.  He saves us from that and sheds upon us the light of His glory.  It’s literally the difference between night and day.  So may we be willing to step into the light.  May we be honest with ourselves and with God about the darkness that is in our hearts.  And may we invite Him into our hearts to chase away the shadows of sin and fill us with His glorious light instead.