היום הזה ה' אלהיך מצוך. בְּכָל יוֹם יִהְיוּ בְעֵינֶיךָ חֲדָשִׁים כְּאִלּוּ בוֹ בַיּוֹם נִצְטַוֵּיתָ עֲלֵיהֶם (תנחומא): היום הזה ה׳ אלהיך מצוך THIS DAY THE LORD THY GOD COMMANDETH THEE — This suggests: each day they (God’s commandments) should be to you as something new (not antiquated and something of which you have become tired), as though you had received the commands that very day for the first time (Midrash Tanchuma, Ki Tavo 1; cf. Rashi on Deuteronomy 11:13).
ושמרת ועשית אותם. בַּת קוֹל מְבָרַכְתּוֹ — הֵבֵאתָ בִכּוּרִים הַיּוֹם, תִּזְכֶּה לְשָׁנָה הַבָּאָה (שם): ושמרת ועשית אותם THOU SHALT THEREFORE KEEP AND DO THEM — A heavenly voice (בת קול) pronounces by these words a blessing upon him (the worshipper): “You have brought the first fruits today — you will be privileged to do so next year, too!” (Midrash Tanchuma, Ki Tavo 1).