Comentario sobre Eclesiastés 12:9

And besides that Koheles was wise. More than what is written in this book”⁴⁹Alternatively, “In addition to his virtue of being a wise man, Koheles also taught others and made them wise.” (Metsudas Dovid) Koheles was more [=יוֹתֵר wise.

“Vanity of vanities, said Kohelet; everything is vanity” (Ecclesiastes 12:8).
“Vanity of vanities” – it is taught: When a wealthy person takes possession of a good item, at first he is desirous of it, but when it grows old for him, he uses it for trampling. A poor person, too, whose portion is meager, his eyes are directed to claim what the wealthy person rejects. This one has desire and that one has desire. They are both equal in terms of the grave;⁴¹Each has desire and will die without having his desire fulfilled. “everything is vanity.”

He weighed. He made handles⁵⁰I.e., ears [אזן]. See Maseches Eruvin 21b. Alternatively, “ואזן” means, “he let them hear.” (Metsudas Dovid) for the Torah, like a basket which has no handles with which to grasp it, and he came along and made handles for it,⁵¹By applying “handles” to various mitzvos, he made it easier to grasp them, in the same manner as it is easier to grasp a utensil with handles than one that is without handles. (Sifsei Chachomim) for he instituted “eruvin” as a safeguard for the observance of the Shabbos, and the ritual washing of the hands as a safeguard for purity, and he instituted secondary forbidden marriages as a safeguard for the prohibitions against incest.