“Are there not twelve hours in the day?” said our Lord. We know there are, and we know, too, that if any man walks in the day, and keeps his eyes open, he does not stumble, because he has the light of this world to guide him. Twelve hours for business, and twelve for food, and sleep, and rest, is our rule for working men, or, indeed, not our rule, but God’s. He has set the sun for the light of this world, to rule the day, to settle for us how long we are to work. In this country days vary. In summer they are more than twelve hours, and then men work early and late; but that is made up to us by winter, when the days are less than twelve hours, and men work short time. In the very cold countries again, far away in the frozen north, the sun never sets all the summer, and never rises all the winter, and there is six months day and six months night. Wonderful! But even there God has fitted the land and men’s lives to that strange climate, and they can gather in enough meat in the summer to keep them all the winter, that they may be able to spend the long six months’ night of winter warm in their houses, sleeping and resting, with plenty of food. So that even to them there are twelve hours in the day, though their hours are each a fortnight long,—I mean a certain fixed time in which to walk, and do the business which they have to do before the long frozen night comes, wherein no man can work, because the sun, the light of this world, is hid from them below the ice for six whole months. So that our Lord’s words hold true of all men, even of those people in the icy north. But in by far the most parts of the world, and especially in the hot countries, where our Lord lived, there are twelve common hours in every day, wherein men may and ought to work. Now what did our Lord mean by reminding His disciples of this, which they all knew already? He meant this,—that God His Father had appointed Him a certain work to do, and a certain time to do it in; that though His day was short, only thirty-three years in all, while we have, many of us, seventy years given us, yet that there were twelve hours in His day in which He must work—that God would take care that He lived out His appointed time, provided He was ready and earnest in doing God’s work in it—and that He _must_ work in that time which God had given Him, whatever came of it, and do His appointed work before the night of death came in which no man can work. There was a heathen king once, named Philip of Macedon, and a very wise king he was, though he was a heathen, and one of the wisest of his plans was this:—he had a slave, whom he ordered to come in to him every morning of his life, whatever he was doing, and say to him in a loud voice, “Philip, remember that thou must die!”