Passage
And the light shineth in darkness: and the darkness did not comprehend it.
And the light shineth in darkness: and the darkness did not comprehend it.
John 1:3 All things were made by him: and without him was made nothing that was made.
John 1:4 In him was life: and the life was the light of men.
John 1:5 And the light shineth in darkness: and the darkness did not comprehend it.
John 1:6 There was a man sent from God, whose name was John.
John 1:7 This man came for a witness, to give testimony of the light, that all men might believe through him.
The verse centers on "light", "darkness", "shineth", and "comprehend". It is saying that the contrast between light and darkness marks a real divide in how people respond to God's work.
The nearby context moves from verse 4's "In him was life and the life..." into verse 6's "There was a man sent from God...", so "light" and "darkness" belong inside that flow. In John context, the local focus is the identity of Jesus, new birth, eternal life, and belief and unbelief.
A plain takeaway is to answer the verse's own emphasis on "light" and "darkness" with trust shaped by these words, not by a vague optimism outside the passage.