Note 25 — II. OUR DUTIES. (continued 2)

In order to prevent a mere perfunctory observance of this commandment, we are taught to reflect on the importance and the object of the tefillin, and to declare that by placing the tefillin on the head and on the arm, near the heart, we indicate our consciousness of the duty to employ the thoughts that rise in our mind, and the desires of our heart, in the service of the Lord, who gave us the powers of thought and will.25