The darkness of evil
"...this is the condemnation, that the light has come into the world, and men loved darkness rather than light, because their deeds were evil. For everyone practicing evil hates the light and does not come to the light, lest his deeds should be exposed. But he who does the truth comes to the light, that his deeds may be clearly seen, that they have been done in God."
"There are those who rebel against the light, who do not know its ways or stay in its paths... The eye of the adulterer watches for dusk; he thinks, 'No eye will see me,' and he keeps his face concealed... For all of them, deep darkness is their morning; they make friends with the terrors of darkness."
"This is the judgment: that light has entered the world, and men have preferred darkness to light because their deeds were evil. Everybody who does wrong hates the light and keeps away from it, for fear his deeds may be exposed. But everybody who is living by the truth will come to the light to make it plain that all he has done has been done through God."