“Therefore, stay awake! For you do not know on which day your Lord will come.” Jesus doesn’t tell us when he will come again; but he does tell us all we need to know. First, he leaves no doubt in our minds that he will, in fact, return—this isn’t a question we have to debate. And secondly, he tells us what we need to do to be ready: stay awake! If we don’t doze off while we’re waiting, everything will be all right. So, our task is a relatively simple one. We are called to be on the lookout. We are supposed to be ready for the Lord when he appears. This is a straightforward instruction to be sure. But it does contain an inherent challenge: it’s often much easier to hit the snooze button than to get up and at ’em. It’s our task, however, to make sure we don’t give in to the temptation to...