נח איש צדיק תמים היה בדרתיו
The Talmud Sanhedrin 108b relates that actually the decree to annihilate the dor haMabul, generation of the Flood, had originally applied to Noach as well. It was rescinded due to the chein, favor, Noach found before Hashem: V’Noach matzah chein b’einei Hashem, “Noach found favor in the eyes of Hashem” (Bereishis 6:8). The question which confronts the reader is whether or not Noach was worthy of reprieve. If he was not, why should “favor” alter his sentence? Since when does favor determine one’s worthiness? Our sages debate the integrity of Noach’s virtue: Did it stand on its own accord, or…