John Gills Exposition of the Bible Commentary - Isaiah 54:2
Enlarge the place of thy tent ,.... To which the church is compared, because of its uncertain and movable condition, being sometimes in one place, and sometimes in another; and because of its outward meanness and weakness, as well as its small extent; but now it is signified that it should be enlarged, and room be made for an accession of in habitants to it; or, in other words, that the Gospel church state should not be confined to Jerusalem, but should take place in other parts of Judea,... read more
Matthew Henry's Complete Commentary - Isaiah 54:1-5
If we apply this to the state of the Jews after their return out of captivity, it is a prophecy of the increase of their nation after they were settled in their own land. Jerusalem had been in the condition of a wife written childless, or a desolate solitary widow; but now it is promised that the city should be replenished and the country peopled again, that not only the ruins of Jerusalem should be repaired, but the suburbs of it extended on all sides and a great many buildings erected upon... read more