Sermon on Genesis 4:1-15, for the 11th Sunday after Trinity (1 Year Lectionary), "My Brother's Keeper"
•Cain and Abel—first brothers on earth, prototype of our conflicts, of worship of God, of temptation and the nature of our hearts under sin.
•When Adam and Eve sinned, they gained something they didn’t have before—a knowledge of evil; and the persistent, slavish impulse to give in to it. We’ve carried that same impulse and slavery ever since. Cain is ruled over by it. “sin doesn’t take long to go right to the bottom” (Brandt).
•Rejected offering. Why? Cain’s anger, and God’s warning. Genesis 4:7 “ If you do well, will you not be accepted? And if you do not do well, sin is crouching at the door. Its desire is contrary to you, but you must rule over it.” Sin personified. It’s desire is contrary to you. Sin and disobedience is against our own interest, but we are blind to that. We propel ourselves further in, without consideration to our harm (physical, mental, emotional, moral, spiritual) or harm to…