Genesis 1:1–3: In the Beginning God Created
Genesis 1:1–3 opens the Bible not with a rival power or an accident but with God, who creates everything and whose word makes light exist. The beginning belongs to him, and what he says happens.
John 3:16–21: Loved World, Light Refused
John 3:16–21 holds together God's love in giving his Son and the world's refusal of the light. The verdict is already at work in how people answer the one sent to save them.
How to observe repeated words contrasts and structure in a passage: A Step-by-Step Guide
John states one message, then tests every claim of fellowship against how a person actually walks. The repeated words light, darkness, sin, and say give the passage its shape, and its aim is that readers may not sin.