Pulpit commentary: "The only remedy for this is the sternest self-denial, the strictest watchfulness. Literally, the hand or foot leads into sin, when it is directed to forbidden objects, moves towards the acquisition of things contrary to the Law of God. Metaphorically, the expression signifies all that is as dear and as necessary as these important members. Such occasions of sin we must at once and absolutely cast aside. It includes also persons as well as things. Friends the dearest must be parted from if their presence, or conversation, or habits cause evil thoughts or encourage evil acts. In the presence of such offences, ties the nearest must be snapped asunde"