Jude 1:11 warns that the way of Cain is false worship, jealous hatred, rejection of correction, and hostility toward the righteous.
Why Was Cain’s Offering Unacceptable to God? — A Textual and Theological Examination of Genesis 4:3–4
The rejection of Cain’s offering was due to his lack of faith, obedience, and understanding compared to Abel’s submission to divine requirements.

