Verse 16. - And from thence... to Beer. A well; so named, no doubt, from the circumstance here recorded. That they were told to dig for water instead of receiving it from the rock showed the end to be at hand, and the transition shortly to be made from miraculous to natural supplies.

21:10-20 We have here the removes of the children of Israel, till they came to the plains of Moab, from whence they passed over Jordan into Canaan. The end of their pilgrimage was near. They set forward. It were well if we did thus; and the nearer we come to heaven, were so much the more active and abundant in the work of the Lord. The wonderful success God granted to his people, is here spoken of, and, among the rest, their actions on the river Arnon, at Vaheb in Suphah, and other places on that river. In every stage of our lives, nay, in every step, we should notice what God has wrought for us; what he did at such a time, and what in such a place, ought to be distinctly remembered. God blessed his people with a supply of water. When we come to heaven, we shall remove to the well of life, the fountain of living waters. They received it with joy and thankfulness, which made the mercy doubly sweet. With joy must we draw water out of the wells of salvation, Isa 12:3. As the brazen serpent was a figure of Christ, who is lifted up for our cure, so is this well a figure of the Spirit, who is poured forth for our comfort, and from whom flow to us rivers of living waters, Joh 7:38,39. Does this well spring up in our souls? If so, we should take the comfort to ourselves, and give the glory to God. God promised to give water, but they must open the ground. God's favours must be expected in the use of such means as are within our power, but still the power is only of God.And from thence they went to Beer,.... A place so called from a well which sprung up here, of which the following account is given:

that is, the well whereof the Lord spake unto Moses; promising him to give it to the children of Israel, without asking for it; which was a very singular favour, and for which they were thankful: saying to him:

gather the people together, and I will give them water; for as they were now gone from the river Arnon, and the streams and brooks of it, they might be in want of water, though they did not murmur as they had been used to do; and without their petition for it, the Lord promises to give it to them; and that they might be witness of the miracle that would be wrought for them, they are ordered to be gathered together.