Rashi ¹ : This Pasuk and the next two Pesukim come to explain the previous one - "asher Anochi Metzavcha Hayom Le'ahavah ... " is the good, and "Vechayisa Veravisa" is life; "ve'Im Yifneh Levavcha ... " is the evil, and "Higadti lachem Hayom ki Avod Tovedun", is death.

Seforno ² : If you will carry out Hashem's command, to love Him ... , then you will earn everlasting life; whereas if your heart turns away and you do not listen to Hashem, you will earn for yourselves eternal death.

Targum Yonasan ³ : This one and the next two Pesukim come to explain the previous one; in each case, the latter is dependent upon the former ⁴ - "asher Anochi Metzavcha Hayom Le'ahavah ... " is the (Torah) way of life, and "Vechayisa Veravisa" is the reward; "ve'Im Yifneh Levavcha ... " is the way of death, and "Higadti lachem Hayom ki Avod Tovedun", the punishment.