Remember that the darkness allows us not to be blinded by the light. -- see Lucifer = lux, lucis (light) + ferre (to carry) = Lucifer's name means Carrier of Light. Yeah, but that was when he was an angel in Heaven, duh
I do think there are good and bad ALSO, but that often we rush to interpret things as good or bad when they actually are just action & consequence and by noticing this, we could improve the quality of the consequences we experience in life.
"For every child of God defeats this evil world, and we achieve this victory through our faith. And who can win this battle against the world? Only those who believe that Jesus is the Son of God," 1 John