John Chrysostom
The souls of the just often experience profound grief upon witnessing the suffering of others. Consequently, it is evident that all faithful individuals and the prophets pleaded on behalf of the sinful, such as the patriarch Abraham who interceded for the inhabitants of Sodom. For instance, one prophet lamented, "O Lord God, wilt Thou destroy the whole remnant of Israel?" (Ezek. 9:8), while another remarked, "Thou wilt leave men as fish in the sea, as reptiles that have no ruler" (Abb. 1:14). Hence, when the righteous man was already distressed and heavy-hearted at the thought of such widespread devastation, God chose to confine him within the ark, as if protecting him within a fortress, preventing him from witnessing the calamity and thus growing fearful.
Read more (43 words)
It is only natural that, confronted with the overwhelming rise of the waters, he would worry about his own peril. In His mercy, God shielded him from sight of the torrents and the annihilation of humanity, as well as the ruin of creation.