We must watch even in the safest places, lest in an hour when we are not aware we should be battered and bruised by some mighty evil. Sins and debts are always more than we think them to be. Men do not usually care to spend a pound in the hope of getting back a groat and no more, and yet when the soul is given up for the sake of worldly gain the loss is greater still, and not even the groat remains. “Thou shalt not kill,” may be broken by anger, hate, malice, and the desire for revenge. If the Supreme