Self-confidence is not the temper which God uses for His instruments. He works with 'bruised reeds,' and breathes His strength into them. It is when a man says 'I can do nothing,' that he is fit for God to employ. 'When I am weak, then I am strong.' Moses remembered enough of Egypt to know that it was no slight peril to front Pharaoh, and enough of Israel not to be particularly eager to have the task of leading them. But mark that there is no refusal of the charge, though there is profound consciousness of inadequacy. If we have reason to believe that any duty, great or small, is laid on us by God, it is wholesome that we should drive home to ourselves our own weakness, but not that we should try to shuffle out of the duty because we are weak. Moses' answer was more of a prayer for help than of a remonstrance, and it was answered accordingly.
God deals very gently with conscious weakness. 'Certainly I will be with thee.' Moses' estimate of himself is quite correct, and it is the condition of his obtaining God's help. If he had been self-confident, he would have had no longing for, and no promise of, God's presence. In all our little tasks we may have the same assurance, and, whenever we feel that they are too great for us, the strength of that promise may be ours. God sends no man on errands which He does not give him power to do. So Moses had not to calculate the difference between his feebleness and the strength of a kingdom. Such arithmetic left out one element, which made all the difference in the sum total. 'Pharaoh versus Moses' did not look a very hopeful cause, but 'Pharaoh versus Moses and Another'—that other being God—was a very different matter. God and I are always stronger than any antagonists. It was needless to discuss whether Moses was able to cope with the king. That was not the right way of putting the problem. The right way was, Is God able to do it?
The sign given to Moses is at first sight singular, inasmuch as it requires faith, and can only be a confirmation of his mission when that mission is well accomplished. But there was a help to present faith even in it, for the very sacredness of the spot hallowed now by the burning bush was a kind of external sign of the promise.
One difficulty being solved, Moses raised another, but not in the spirit of captiousness or reluctance. God is very patient with us when we tell Him the obstacles which we seem to see to our doing His work. As long as these are presented in good faith, and with the wish to have them cleared up, He listens and answers. The second question asked by Moses was eminently reasonable. He pictures to himself his addressing the Israelites, and their question, What is the name of this God who has sent you? Apparently the children of Israel had lost much of their ancestral faith, and probably had in many instances fallen into idolatry. We do not know enough to pronounce with confidence on that point, nor how far the great name of Jehovah had been used before the time of Moses, or had been forgotten in Egypt.
The questions connected with these points and with the history of the name do not enter into our present purpose. My task is rather to point out the religious significance of the self-revelation of God contained in the name, and how it becomes the foundation of Israel's deliverance, existence, and prerogatives. Whatever opinions are adopted as to the correct form of the name and other grammatical and philological questions, there is no doubt that it mainly reveals God as self-existent and unchangeable. He draws His being from no external source, nor 'borrows leave to be.' Creatures are what they are made or grow to be; they are what they were not; they are what they will some time not any more be. But He is what He is. Lifted above time and change, self-existing and self-determined, He is the fountain of life, the same for ever.
This underived, independent, immutable being is a Person who can speak to men, and can say 'I am.' Being such, He has entered into close covenant relations with men, and has permitted Himself to be called 'the God of Abraham, Isaac, and Jacob.' The name Jehovah lifts Him high above all creatures; the name 'the God of your fathers' brings Him into tender proximity with men, and, in combination with the former designation, guarantees that He will forever be what He has been, even to all generations of children's children. That mighty name is, indeed, His 'memorial to all generations,' and is as fresh and full of blessedness to us as to the patriarchs. Christ has made us understand more of the treasures for heart and mind and life which are stored in it. 'Our Father which art in heaven' is the unfolding of its inmost meaning.
We may note that the bush burning but not consumed expressed in symbol the same truth which the name reveals. It seems a mistake to take the bush as the emblem of Israel surviving persecution. Rather the revelation to the eye says the same thing as that to the ear, as is generally the case. As the desert shrub flamed, and yet did not burn away, so that divine nature is not wearied by action nor exhausted by bestowing, nor has its life any tendency towards ending or extinction, as all creatural life has.
The closing verses of this passage (vs. 16-20) are a programme of Moses' mission, in which one or two points deserve notice. First, the general course of it is made known from the beginning. Therein Moses was blessed beyond most of God's servants, who have to risk much and to labour on, not knowing which shall prosper. If we could see, as he did, the lie of the country beforehand, our journeys would be easier. So we often think, but we know enough of what shall be to enable us to have quiet hearts; and it is best for us not to see what is to fail and what to succeed. Our ignorance stimulates effort, and drives to clinging to God's hand.
Then we may note the full assurances to be given to the 'elders of Israel.' Apparently some kind of civic organisation had been kept up, and there were principal people among the slaves who had to be galvanised first into enthusiasm. So they are to be told two things,—that Jehovah has appeared to Moses, and that He, not Moses only, will deliver them and plant them in the land. The enumeration of the many tribes (v. 17) might discourage, but it is intended to fire by the thought of the breadth of the land, which is further described as fertile. The more exalted our conceptions of the inheritance, the more willing shall we be to enter on the pilgrimage towards it. The more we realise that Jehovah has promised to lead us thither, the more willing shall we be to face difficulties and dangers.
The directions as to the opening of communications with Pharaoh have often been made a difficulty, as if there was trickery in the modest request for permission to go three days' journey into the wilderness. But that request was to be made, knowing that it would not be granted. It was to be a test of Pharaoh's willingness to submit to Jehovah. Its very smallness made it so more effectually. If he had any disposition to listen to the voice speaking through Moses, he would yield that small point. It is useless to speculate on what would have happened if he had done so. But probably the Israelites would have come back from their sacrificing.