Kabbalah su Genesi 6:8

And the secret of all this is revealed in the words, "And Noah walked with Elohim" (Gen. 6:9), which means to teach us that he never separated himself from Him. And he merited being called a righteous man on earth, as did the supernal Yesod, the foundation of the world. He is the covenant of peace and the peace of the world. Thus, he is called "man of the earth". And that is why the verse is written: "Noah found favor in the eyes of Hashem" (Ibid. 8).

It says in Beresheet Rabbah: Rabbi Simlai said: Wherever you find lust, an epidemic visits the world and slays both good and bad. Rabbi Azariah and Rabbi Yehuda son of Rabbi Simone said in the name of Rabbi Yehoshua ben Levi: The Creator is long-suffering for everything besides immorality, as it says “The sons of God saw the daughters of men” (Genesis 6:2) which is followed by, “And the Lord said I will blot out man (Genesis 6:8).” Rabbi Yehoshua ben Levi said in Rabbi Pedaya’s name: That whole night Lot prayed for mercy for the Sodomites, and they [the angels] would have heeded him, but as soon as they [the Sodomites] demanded “Bring them out unto us, that we may know them (Genesis 19:5)—for intercourse— they [the angels] said, “Who else is here” (Genesis 19:12) meaning, to plead in their defense, from now on you are no longer permitted to plead in their defense.