Thou shall teach them diligently Hebrew, whet, or sharpen them, so as that they may pierce deeply into their hearts, This metaphor signifies the manner of instructing them, that it is to be done diligently, earnestly, frequently, discreetly. To thy children They that love the Lord God themselves will do what they can to engage the affections of their children to him, and so preserve the entail of religion in their families from being cut off. Bishop Patrick well observes here, that Moses thought his law so very plain and easy, that every father might be able to instruct his sons in it, and every mother her daughters. That good thing which is committed to us, we must carefully transmit to those that come after us, that it may be perpetuated. Thou shalt talk of them With due reverence and seriousness, for the benefit, not only of thy children, but of thy other domestics, thy friends, and companions. When thou sittest in thy house At work, or at meat, or at rest. When thou walkest by the way For air and exercise, for conversation, or on journeys. When thou liest down
Art about to retire from thy family for sleep. And when thou risest up Returnest again to thy family in the morning. Take all occasions to discourse with those about thee of divine things; not of unrevealed mysteries, or matters of doubtful disputation, but of the plain truths and laws of God, and the things belonging to their peace.