The two commands at the beginning and end of the paragraph are not quite the same. Be ye ready' is the consequence of watchfulness. Nor are the two appended reasons the same; for the first command is grounded on His coming at a day when ye know not,' and the second on His coming in an hour that ye think not,' that is to say, it not only is uncertain, but unexpected and surprising. There may also be a difference worth noting in the different designations of Christ as your Lord,' standing in a special relation to you, and as the Son of Man,' of kindred with all men, and their Judge. What is this watchfulness'? It is literally wakefulness. We are beset by perpetual temptations to sleep, to spiritual drowsiness and torpor. An opium sky rains down soporifics.' And without continual effort, our perception of the unseen realities and our alertness for service will be lulled to sleep. The religion of multitudes is a sleepy religion. Further, it is a vivid and ever-present conviction of His certain coming, and consequently a habitual realising of the transience of the existing order of things, and of the fast-approaching realities of the future. Further, it is the keeping of our minds in an attitude of expectation and desire, our eyes ever travelling to the dim distance to mark the far-off shining of His coming. What a miserable contrast to this is the temper of professing Christendom as a whole! It is swallowed up in the present, wide awake to interests and hopes belonging to this bank and shoal of time,' but sunk in slumber as to that great future, or, if ever the thought of it intrudes, shrinking, rather than desire, accompanies it, and it is soon hustled out of mind.
Christ bases His command on our ignorance of the time of His coming. It was no part of His purpose in this prophecy to remove that ignorance, and no calculations of the chronology of unfulfilled predictions have pierced the darkness. It was His purpose that from generation to generation His servants should be kept in the attitude of expectation, as of an event that may come at any time and must come at some time. The parallel uncertainty of the time of death, though not what is meant here, serves the same moral end if rightly used, and the fact of death is exposed to the same danger of being neglected because of the very uncertainty, which ought to be one chief reason for keeping it ever in view. Any future event, which combines these two things, absolute certainty that it will happen, and utter uncertainty when it will happen, ought to have power to insist on being remembered, at least, till it was prepared for, and would have it, if men were not such fools. Christ's coming would be oftener contemplated if it were more welcome. But what sort of a servant is he, who has no glow of gladness at the thought of meeting his lord? True Christians are' all them that have loved His appearing.'
The illustrative example which separates these two commands is remarkable. The householder's ignorance of the time when the thief would come is the reason why he does not watch. He cannot keep awake all night, and every night, to be ready for him; so he has to go to sleep, and is robbed. But our ignorance is a reason for wakefulness, because we can keep awake all the night of life. The householder watches to prevent, but we to share in, that for which the watch is kept. The figure of the thief is chosen to illustrate the one point of the unexpected stealthy approach. But is there not deep truth in it, to the effect that Christ's coming is like that of a robber to those who are asleep, depriving them of earthly treasures? The word rendered broken up' means literally dug through,' and points to a clay or mud house, common in the East, which is entered, not by bursting open doors or windows, but by digging through the wall. Death comes to men sunk in spiritual slumber, to strip them of good which they would fain keep, and makes his entrance by a breach in the earthly house of this tabernacle. So St. Paul, in his earliest Epistle, refers to this saying (a proof of the early diffusion of the gospel narrative), and says, Ye, brethren, are not in darkness, that that day should overtake you as a thief.'
