ויבא קין... מפרי האדמה מנחה לד'... והבל הביא גם הוא
We note from the pesukim that Hevel was a righteous person. The mere fact that Hashem acquiesced to Hevel’s sacrifice serves as a barometer of His approbation of Hevel. If so, why was he taken so soon? Hevel’s life was cut short due to his brother’s irrational jealousy. He did not live long enough even to establish a legacy of offspring. Kayin, on the other hand, lived seven more generations, from which was established the future of the world. To the average spectator, the disparity between the subsequent history of Kayin, the murderer, and Hevel, the innocent victim, is glaring….