John Gills Exposition of the Bible Commentary - Exodus 32:16
And the tables were the work of God ,.... And not of angels or men; the stones were made and formed by God into the shape they were: and the writing was the writing of God, graven upon the tables ; the letters in which the law was written were of his framing, devising, and engraving; and this was to show that this law was his own, and contained his mind and will; and to give the greater dignity and authority to it, and to deter men from breaking it. read more
Matthew Henry's Complete Commentary - Exodus 32:15-20
Here is, I. The favour of God to Moses, in trusting him with the two tables of the testimony, which, though of common stone, were far more valuable than all the precious stones that adorned the breast-plate of Aaron. The topaz of Ethiopia could not equal them, Exod. 32:15, 16. God himself, without the ministry either of man or angel (for aught that appears), wrote the ten commandments on these tables, on both their sides, some on one table and some on the other, so that they were folded... read more