Expositions of Holy Scripture / Ephesians; Epistles of St. Peter and St. John

by Alexander Maclaren

It was our Lord who coined this great name for His disciples. Paul's use of it is probably a reminiscence of the Master's, and so is a hint of the existence of the same teachings as we now find in the existing Gospels, long before their day. Jesus Christ said, 'Believe in the light, that ye may be the children of light'; and Paul gives substantially the same account of the way by which a man becomes a Son of the Light when he says, in the words preceding my text, 'Ye were sometimes darkness, but now are ye light in the Lord.'

Union with Him makes light, just as the bit of carbon will glow as long as it is in contact with the electric force, and subsides again into darkness when that is switched off. To be in Christ is to be a child of light, and to believe in Christ is to be in Him.

But the intense moral earnestness of our Apostle is indicated by the fact that on both occasions in which he uses this designation he does so, not for the purpose of heightening the sense of the honour and prerogative attached to it, but for the sake of deducing from it plain and stringent moral duties, and heightening the sense of obligation to holy living.

'Walk as children of light.' Be true to your truest, deepest self. Manifest what you are. Let the sweet, sacred secrets of inward communion come out in the trivialities of ordinary conduct; make of your every thought a deed, and see to it that every deed be vitalised and purified by its contact with the great truths and thoughts that lie in this name. These are various ways of putting this one all-sufficient directory of conduct.

Now, in the context, the Apostle expands this concentrated exhortation in three or four different directions, and perhaps we may best set forth its meaning if we shape our remarks by these, I venture to cast them, for the sake of emphasis, into a hortatory form.

I. Aim at an all-round productiveness of the natural fruits of the light.

The true reading is, 'Walk as children of light, for the fruit of the light' (not spirit, as the Authorised Version reads it) 'is in all goodness and righteousness and truth.' Now, it is obvious that the alteration of 'light' instead of 'spirit' brings the words into connection with the preceding and the following. The reference to the 'fruits of the spirit' would be entirely irrelevant in this place; a reference to the 'fruit of the light,' as being every form of goodness and righteousness and truth, is altogether in place.

There is, then, a natural tendency in the light to blossom out into all forms and types of goodness. 'Fruit' suggests the idea of natural, silent, spontaneous, effortless growth. And, although that is by no means a sufficient account of the process by which bad men become good men, it is an inseparable element, in all true moral renovation, that it be the natural outcome and manifestation of an inward principle; otherwise it is mere hypocritical adornment, or superficial appearance. If we are to do good we must first of all be good. If from us there are to come righteousness and truth, and all other graces of character, there must, first of all, be the radical change which is involved in passing from separateness in the darkness to union with Jesus Christ in the light. The Apostle's theory of moral renovation is that you must begin with the implantation in the spirit of the source of all moral goodness—viz. Jesus Christ—brought into the heart by the uniting power of humble faith. And then there will be lodged in our being a vital power, of which the natural outcome will be all manner of fair and pure things. Effort is needed, as I shall have to say; but prior to effort there must be union with Jesus Christ.

This wide, general commandment of our text is sufficiently definite, thinks Paul; for if the light be in you it will naturally effloresce into all forms of beauty. Light is the condition of fruitfulness. Everywhere the vital germ is only acted upon by the light. No sunshine, no flowers; darkness produces thin, etiolated, whitened, and feeble shoots at the best. Let the light blaze in, and the blanched feebleness becomes vigorous and unfolds itself. How much more will light be the condition of fruitfulness when the very light itself is the seed from which all fruit is developed.

But, still further, mark how there must be an all-round completeness in order that we shall fairly set forth the glory and power of the light of which our faith makes us children and partakers. The fruit 'is in all goodness and righteousness and truth.' These three aspects—the good, the right, the true—may not be a scientific, ethical classification, but they give a sufficiently plain and practical distinction. Goodness, in which the prevailing idea is beneficence and the kindlier virtues; righteousness, which refers to the sterner graces of justice; truth, in which the prevalent idea is conformity in action with facts and the conditions of man's life and entire sincerity—these three do cover, with sufficient completeness, the whole ground of possible human excellence. But the Apostle widens them still further by that little word all.