The weak point in the preparation most Sunday-school teachers make is their failure to prepare a schedule for their teaching--the order, that is, in which they shall take up and discuss the facts and lessons of the day's Scripture. Probably the majority of teachers begin with verse 1 and go stolidly through to verse 13, or as near it as the superintendent will permit them to get. This is teaching with a shovel, and not with a sieve. Wise teaching selects, marshals, brings to a focus. It excels haphazard teaching as far as a painting by Rembrandt excels a whitewashed fence. It does not permit ideas to neutralize each other. It has a purpose, clearly and determinedly held in view, and to this purpose it subordinates everything else. It knows that the effectiveness of the lesson depends quite as much on what is left out as on what is put in. Now the more ideas a teacher has, the greater need has he of a schedule, just as the railroad that runs most trains is in most need of a good time-table. Indeed, the performance of a teacher without a plan bears a strong resemblance to a railway collision. Ideas, illustrations, exhortations, bump into one another front and rear, telescope each other, and form at the end of the hour a disheartening mass of splintered fragments, with here and there a jet of steam or a puff of smoke. If the teacher has no schedule, the scholars on his lesson train will grow confused and get nowhere. Small blame to them! Imitating Paul, the wise teacher will take for his motto, "This _one_ thing I teach." He will teach as much more as is possible, but first he will make absolutely sure of one thing. My own plan in connection with every lesson is to lay down one principal, and two or three subordinates. It is best to write these down on the margin of the quarterly, in precisely the order in which they are to be taken up. Ask yourself most earnestly, "What is the main lesson this Scripture is to teach my scholars?" Having decided on that, consider your teaching a success, whatever happens, if it has impressed this one truth. Leap to this task as swiftly as may be, even if to reach the chosen point you must pass hastily over the first portion of the lesson. After driving home this truth, and making sure of it, take up in turn your subordinates. This will require a new view of the lesson story that will compensate for your previous haste. And reserve some time at the end of the lesson for a few parting words on your main truth. Save for this time your most telling illustration, your most ardent pleading. In preparation for this get all questions and difficulties out of the way. Be sure, before you begin, that your watch is with the superintendent's, and do not permit yourself to be caught by the closing bell with your lesson only half way to the terminus.