1
והיה עקב תשמעון. אִם הַמִּצְווֹת קַלּוֹת שֶׁאָדָם דָּשׁ בַּעֲקֵבָיו תשמעון. והיה עקב תשמעון AND THE CONSEQUENCE WILL BE, IF YE HEARKEN (The Hebrew text may be taken to signify if you will hear the heel, עקב) — If, even the lighter commands which a person usually treads on with his heels (i.e. which a person is inclined to treat lightly), ye will hearken to,
2
ושמר ה' וגו'. יִשְׁמֹר לְךָ הַבְטָחָתוֹ (עי' תנחומא): ושמר ה׳ וגו׳ THEN THE LORD [THY GOD] WILL KEEP FOR THEE His promise (Midrash Tanchuma, Eikev 1).