כֹּ֣ה ׀ אָמַ֣ר יְהוָ֗ה אָר֤וּר הַגֶּ֙בֶר֙ אֲשֶׁ֣ר יִבְטַ֣ח בָּֽאָדָ֔ם וְשָׂ֥ם בָּשָׂ֖ר זְרֹע֑וֹ וּמִן־יְהוָ֖ה יָס֥וּר לִבּֽוֹ׃
So spricht der Herr: Verflucht ist der Mann, der auf den Menschen vertraut und Fleisch zu seinem Arm macht und dessen Herz vom Herrn abweicht.
Rashi on Jeremiah
who trusts in man In his plowing and his harvest, saying, “I will sow during the seventh year and I will eat.”
Rashi on Jeremiah
his arm Like ‘his help,’ and so did Jonathan render: his trust.
Rashi on Jeremiah
and whose heart turns away from the Lord Who promised him (Lev. 25:21), “And I will command My blessing to you.” This is what I heard.