Their little ones go out like a flock, and their children dance and play.

They send forth as a flock their sucklings, And their children skip,

They send out their young ones like a flock, and their children have pleasure in the dance,

Their little ones go out like a flock, and their children jump around playfully.

They send forth their little ones - Their numerous and happy children they send forth to plays and pastimes.
Like a flock - In great numbers. This is an exquisitely beautiful image of prosperity. What can be more so than a group of happy children around a man's dwelling?
And their children dance - Dance for joy. They are playful and sportive, like the lambs of the flock. It is the skip of playfulness and exultation that is referred to here, and not the set and formal dance where children are instructed in the art; the sportiveness of children in the fields, the woods, and on the lawn, and not the set step taught in the dancing-school. The word used here (רקד râqad), means "to leap, to skip" - as from joy, and then to dance. Jerome has well rendered it, "exultant lusibus" - "they leap about in their plays." So the Septuagint, προσπαίζουσιν prospaizousin - "they frolic" or "play." There is no evidence here that Job meant to say that they taught their children to dance; that they caused them to be trained in anything that now corresponds to dancing-schools; and that he meant to say that such a training was improper and tended to exclude God from the heart.
The image is one simply of health, abundance, exuberance of feeling, cheerfulness, prosperity. The houses were free from alarms; the fields were filled with herds and flocks, and their families of happy and playful children were around them. The object of Job was not to say that all this was in itself wrong, but that it was a plain matter of fact that God did not take away the comforts of all the wicked and overwhelm them with calamity. Of the impropriety of training children in a dancing-school, there ought to be but one opinion among the friends of religion (see National Preacher for January 1844), but there is no evidence that Job referred to any such training here, "and" this passage should not be adduced to prove that dancing is wrong. It refers to the playfulness and the cheerful sports of children, and God has made them so that they "will" find pleasure in such sports, and so that they are benefited by them. There is not a more lovely picture of happiness and of the benevolence of God any where on earth than in such groups of children, and in their sportiveness and playfulness there is no more that is wrong than there is in the gambols of the lambs of the flock.

They send forth their little ones - It is not very clear whether this refers to the young of the flocks or to their children. The first clause may mean the former, the next clause the latter; while the young of their cattle are in flocks, their numerous children are healthy and vigorous, and dance for joy.

They send forth their little ones (e) like a flock, and their children dance.
(e) They have healthy children and in those points he answers to that which Zophar alleged before.

They send forth their little ones like a flock,.... Of sheep, which are creatures very increasing, and become very numerous, Psalm 144:13; to which a large increase of families may be compared, Psalm 107:41, for this is not to be interpreted of their kine sending or bringing forth such numbers as to be like a flock of sheep; but of the families of wicked men being increased in like manner; and the sending them forth to be understood either of the birth of their children being sent out or proceeding from them as plants out of the earth, or branches from a tree; or of their being sent out not to school to be instructed in useful learning, but into the streets to play, and pipe, and dance; and it may denote, as their number, so their being left to themselves, and being at liberty to do as they please, being under no restriction, nor any care taken of their education; at least in such a manner as to have a tendency to make them sober, virtuous, and useful in life:
and their children dance; either in a natural way, skip and frisk, and play like calves and lambs, and so are very diverting to their parents, as well as shows them to be in good health; which adds to their parents happiness and pleasure: or in an artificial way, being taught to dance; and it should be observed, it is "their" children, the children of the wicked, and not of the godly, that are thus brought up; so Abraham did not train up his children, nor Job his; no instance can be given of the children of good men being trained up in this manner, or of their dancing in an irreligious way; however, this proves in what a jovial way, and in what outward prosperity and pleasure, wicked men and their families live; which is the thing Job has in view, and is endeavouring to prove and establish.

send forth--namely, out of doors, to their happy sports under the skies, like a joyful flock sent to the pastures.
little ones--like lambkins.
children--somewhat older than the former.
dance--not formal dances; but skip, like lambs, in joyous and healthful play.