The Light has come into the world, and people have loved the darkness rather than and more than the Light for their works were evil (John 3:19b).
We all have experienced some time in our life, one way or another, the effect of physical darkness. Voided of light, darkness grabs and handicaps us with fear, panic, and anxiety. We feel lost, not knowing where we are and how to get somewhere. People associate darkness with the presence of evil, as in Satan and his demons, rightly so. The feelings of fear, panic, anxiety attacks are feelings that express the presence of evil spirits in the environment. For God did not give us a spirit of fear, but of love and a sound mind (I John 4:18). Darkness is blindness. When we are used to the darkness, we find difficulty adjusting to the light. The eyes water and hurt to some extent until we become accustomed to the light. In other ways, light exposes evil deeds. It hides nothing that seems invisible.