Midrasz do Przysłów 26:23

"living, two shall he pay": and not (the value of) dead (animals). There are seven "thefts": "stealing men's minds" (i.e., deceiving them), importuning one's neighbor to be his guest when he has no intention of inviting him; proffering gifts that he knows will not be accepted; opening one's barrels (ostensibly "for him alone") when they have already been sold to the shopkeeper; cheating in measuring; falsifying weights; mixing (other) stalks among stalks of fenugrec, sand with beans, and vinegar with oil (even though they ruled that oil is not subject to defilement (me'ilah), wherefore kings are anointed with it.) And, what is more, they say about such a one that if he could "steal" the Higher Mind, he would do so. And thus do we find with Avshalom, that he "stole" three thefts: the heart of his father, the heart of beth-din and the heart of the house of Israel, as it is written (II Samuel 15:6) "And Avshalom stole the heart of the men of Israel." And who is the greater (thief)? The robber or the robbed? The robbed; for he knows that he is being robbed and remains silent. And thus do we find with our fathers, that when they stood on Mount Sinai, they sought to steal the Higher Mind, as it is written (Exodus 24:7) "Everything that the L rd has spoken, we will do and we will hear" — and it (the Higher Mind) was, as it were, "stolen" by them. As it is written (Devarim 5:26) "Would that this heart of theirs were in them to fear Me and to keep all of My mitzvoth all of the days, etc." And if you would say that not all is revealed and known to Him, it is written (Psalms 78:36-37) "And they beguiled Him (only) with their mouths, and (He knew that) their hearts were not constant with Him" — in spite of which (Ibid. 38) "And He was merciful, forgiving sin and not destroying, etc." And it is written (Mishlei 26:23) "As silver dross covering earthenware are lips running (with love) above an evil heart."

Another interpretation (of Gen. 27:1): AND HE SAID UNTO HIM (Esau): MY SON; AND HE SAID UNTO HIM: HERE I AM. Solomon proclaimed (in Prov. 26:23): SILVER DROSS LAID OVER EARTHENWARE ARE BURNING LIPS AND AN EVIL HEART. To what was Esau comparable? To a caldron³¹Gk.: miliarion; Lat.: miliarium. with an outside of gold inlaid with pearls but an inside of earthenware. [Thus did Esau say to his father: HERE I AM, while in his heart he was saying: When will he die?] Thus it is stated (in Gen. 27:41): AND ESAU SAID IN HIS HEART: LET THE DAYS OF MOURNING FOR MY FATHER COME, AND I WILL KILL MY BROTHER JACOB. Ergo (in Prov. 26:23): SILVER DROSS LAID OVER EARTHENWARE…. And so you find that the seed of [Esau], Haman, said in his heart (in Esth. 6:6): NOW HAMAN SAID IN HIS HEART. (Is. 14:13f.:) THE FOOL HAS SAID IN HIS HEART: < THERE IS NO GOD >. (Is. 14:13:) AND YOU SAID IN YOUR HEART: I WILL ASCEND TO THE HEAVENS…. < I WILL BE LIKE THE MOST HIGH >. (Ezek. 38:10:) IT SHALL COME TO PASS IN THAT DAY THAT THOUGHTS SHALL COME UPON YOUR HEART, < AND YOU WILL DEVISE AN EVIL DESIGN >. (Ps. 10:11:) HE HAS SAID IN HIS HEART: GOD HAS FORGOTTEN. (Is. 47:8:) AND NOW {PLEASE} HEAR [THIS], {YOU} ELEGANT WOMAN WHO DWELLS IN SECURITY, WHO SAYS IN HER HEART: [I AM, AND THERE IS NO ONE ELSE]. Ergo (in Prov. 26:25): FOR THERE ARE SEVEN ABOMINATIONS IN HIS HEART; and Solomon proclaimed (in Prov. 26:23): SILVER DROSS < LAID OVER EARTHENWARE ARE BURNING LIPS AND AN EVIL HEART >.