The New Testament is always converting into blessings the curses of the Old Testament. The burdens and severities of the Law are not only the types but the very substances of Gospel liberty and truth; the confusion of Babel leads to a greater harmony, and its dispersion ends in a more perfect union.
I. After the flood the whole earth was of one language and one speech. Now not even one country has one language within itself. No two persons that ever meet have it. The words may have the same spelling, but they do not carry to the hearer exactly the same sense in which they were spoken. There is not on this earth, in any fraction of it, one language and one speech; hence a great part of our sin and misery.
II. Even if there were a language perfectly the same, yet, until there was a setting to rights of disorders which have come into human thought, and until minds were themselves set in one accord, there could not be unity.
III. The men of the old world determined to do two things which real unity never does. They resolved to make a great monument to their own glory, and they thought to frustrate a law of God and to break a positive rule of our being. Their unity was a false unity. They sought their own praise, and it ran contrary to the mind of God. Their profane unity was dashed into hundreds of divergent atoms, and was carried by the four winds to the four corners of the earth.
IV. What were the consequences of this scattering of the race? (1) It carried the knowledge of the true God and of the one faith into all the lands whither they went; (2) God replenished the whole surface of the globe by spreading men over it; (3) it was a plea for prayer, an argument for hope, a pledge of promise.
V. From that moment God has steadily carried on His design of restoring unity to the earth: His choosing of Abraham, His sending of Christ, the coming of the Holy Ghost at Pentecost, were all means to this very end.
J. Vaughan, Fifty Sermons,10th series, p. 103.