John Gill - Exposition
John Gill
But Abraham said, son,.... He calls him "son", not in a spiritual sense; he was not one of Abraham's spiritual seed, that trod in the steps of his faith; but because he was so according to the flesh; and in return to his calling him father: good men have not always good children, nor is any trust to be put in birth and parentage: remember, that thou in thy lifetime receivedst thy good things;...