רָאִ֙יתִי֙ אֶת־כָּל־הַ֣חַיִּ֔ים הַֽמְהַלְּכִ֖ים תַּ֣חַת הַשָּׁ֑מֶשׁ עִ֚ם הַיֶּ֣לֶד הַשֵּׁנִ֔י אֲשֶׁ֥ר יַעֲמֹ֖ד תַּחְתָּֽיו׃
I saw all the living that walk under the sun, that they were with the child, the second, that was to stand up in his stead.
Rashi on Ecclesiastes
I observed that all the living, etc. I found in the Midrash of this Book, that this refers to the generation of the flood, about which it is stated, “And of every living thing.”26Bereishis 6:19.
Kohelet Rabbah
“I saw all the living that walk under the sun, with the second child, who will stand in his stead” (Ecclesiastes 4:15).
“I saw all the living that walk under the sun” – these are the actions of the righteous. What caused them to be living? It is because they walk under the sun, “with the second child” – this is the good inclination.
“I saw all the living that walk under the sun” – these are the actions of the righteous. What caused them to be living? It is because they walk under the sun, “with the second child” – this is the good inclination.
Rashi on Ecclesiastes
Were supportive of the young successor. Who will exist instead of that generation, i.e., No’ach and his sons.