[1.20.28] And behold, a cloud came across the tall mountains at seventy-seven heights of man above the fugitive, and a powerful voice spoke from it. It was the voice of Abel and he said: "Cain, do you know this voice?"

[1.20.29] And Cain answered: "O brother Abel, if you have come to take petty vengeance on me, your murderer, then do to me according to justice, but spare your blessed sister and her children!"