Genesis 4:8-10

Revised Standard Version Catholic Edition

⁸ Cain said to Abel his brother, “Let us go out to the field.”^[a] And when they were in the field, Cain rose up against his brother Abel, and killed him. ⁹ Then the Lord said to Cain, “Where is Abel your brother?” He said, “I do not know; am I my brother’s keeper?” ¹⁰ And the Lord said, “What have you done? The voice of your brother’s blood is crying to me from the ground.