Adam sinned, not because perfection was defective, but because he misused moral freedom and chose disobedience over love for Jehovah.
What Is the Origin of Sin?
Sin began with Satan’s rebellion and entered mankind through Adam’s disobedience, bringing death; Jehovah is not its source, and Christ is its remedy.
Explaining the Concept of Sin to Someone Who Does Not Believe in Absolute Morality: A Biblical and Rational Evangelistic Approach
How do you explain sin to someone who denies absolute morality? Appeal to their conscience, expose moral inconsistency, and present the biblical truth.

