ויאמר לו ד' לכן כל הרג קין שבעתים יקם
Kayin sinned egregiously, going down in history as the first murderer. He took the idyllic state of Gan Eden and transformed it into a killing field. What makes his deed all the more pernicious is the reason for the murder: jealousy. Instead of learning from Hevel’s act of offering a korban, sacrifice, from his choicest flocks, Kayin killed him. Envy does that to a person, blinding him from seeing what is usually a simple truth that could change his life. Instead, he kills the messenger. Kayin realized too late that he acted disastrously, but he repented. Hashem accepted Kayin’s teshuvah,…