How the Hand Tefillin Holds Four Passages in One Compartment

"And it shall be a sign for you upon your hand": one scroll of four passages. And logic would dictate otherwise: since the Torah said put tefillin on the head with four compartments, so too on your hand four compartments. Scripture teaches "and it shall be a sign for you upon your hand" - one scroll of four passages. One might think that just as on the hand there is one scroll, so on the head there is one scroll. And logic would dictate: since the Torah said put tefillin on the hand and put tefillin on the head, just as on the hand one scroll, so on the head one scroll. Scripture teaches "for frontlets, frontlets" - thus four frontlets are stated. Or one might make four pouches of four passages; Scripture teaches "and for a remembrance between your eyes" - one pouch of four passages. "Upon your hand": upon the raised part of the arm. Or "your hand" in its plain sense? And logic would dictate: since the Torah said put tefillin on the head and put tefillin on the hand, just as on the head it is on the high part of the head, so on the hand it is on the high part of the hand. Rabbi Eleazar says: on the raised part of the hand. Or "upon your hand" in its plain sense? Scripture teaches "and it shall be a sign for you" - a sign for you and not a sign for others. Rabbi Isaac said: on the raised part of the arm. Or "upon the hand" in its plain sense? Scripture teaches (Deuteronomy 11:18), "And you shall place these My words upon your heart" - I have spoken only of something aligned opposite the heart, which is the raised part of the arm. "Upon your hand": this is the left. Or is it not rather the right? Although there is no proof of the matter, there is a hint of the matter: "My hand founded the earth and My right hand spread out the heavens," and it says (Judges 5:26), "Her hand she put forth to the tent peg." Thus "hand" everywhere refers only to the left.