Komentarz do Koheleta 7:21

Furthermore, of all the words, etc. Because he is speaking of Shaul, who accepted slander regarding Nov the city of kohanim, and concerning him it is stated, “ Be not excessively wicked,”⁵¹Above, verse 17. he says, “Furthermore of all the words that are spoken,” to you by talebearers, “take them not to heart,” to accept them.

Lest you hear your own servant curse you. It is not good that you incline your ear to hear your servant cursing you.⁵²As Dovid did with Shimi the son of Geira. See II Shmuel 16:5-13. (Sifsei Chachomim)

Another explanation: Than ten rulers. These are the ten things that condemn a person. His two eyes show him sinful things, his two ears which enable him to hear idle talk, his two hands with which he robs and plunders, his two feet which lead him to sinful things, and his mouth and his heart.

Another explanation: Wisdom gives [more] strength to the wise. This is No’ach. Than ten rulers. More than the ten generations that were before him.

Another explanation: To the wise. This is Avrohom. Than ten rulers. More than the ten generations that were before him.

Another explanation: To the wise. This is Moshe. Than ten rulers. [The] ten organs that minister to food ingested by the body. From his mouth to the esophagus, from the esophagus to the stomach, etc., as it is [stated] in Midrash Koheles, but Moshe’s wisdom stood for him so that he did not need food for forty days and forty nights. All these interpretations are in the Midrash, but I am unable to reconcile them with the verse following, “For there is not a righteous man on earth.”⁵³Above, verse 20.

Another explanation: To the wise. This is Yoseif. Than ten rulers. These are his brothers.