Noah Longed for a Son to Serve Him in the Ark

Yalkut Shimoni on Torah 61:13

Another interpretation: Noah suffered much distress in the ark, for he had no young son to serve him. He said, "When I go out, I will raise up for myself a young son to serve me." Once Ham did that deed to him, he said to him, "You prevented me from raising up a son to serve me; therefore that man shall be a slave to his brothers, who are servants to Me."

Themes