31:18 These tables of stone, were not prepared by Moses, but probably by the ministry of angels. They were written with the finger of God - That is, by his will and power immediately, without the use of any instrument. They were written in two tables, being designed to direct us in our duty, towards God, and towards man. And they were called tables of testimony, because this written law testified the will of God concerning them, and would be a testimony against them if they were disobedient.

Exodus 31:18 Parallel Commentaries

Hiram, the Inspired Artificer
BY REV. W. J. TOWNSEND, D.D. The Temple of Solomon was the crown of art in the old world. There were temples on a larger scale, and of more massive construction, but the enormous masses of masonry of the oldest nations were not comparable with the artistic grace, the luxurious adornments, and the harmonious proportions of this glorious House of God. David had laid up money and material for the great work, but he was not permitted to carry it out. He was a man of war, and blood-stained hands were …
George Milligan—Men of the Bible; Some Lesser-Known

That Whereas the City of Jerusalem had Been Five Times Taken Formerly, this was the Second Time of Its Desolation. A Brief Account of Its History.
1. And thus was Jerusalem taken, in the second year of the reign of Vespasian, on the eighth day of the month Gorpeius [Elul]. It had been taken five [34] times before, though this was the second time of its desolation; for Shishak, the king of Egypt, and after him Antiochus, and after him Pompey, and after them Sosius and Herod, took the city, but still preserved it; but before all these, the king of Babylon conquered it, and made it desolate, one thousand four hundred and sixty-eight years and …
Flavius Josephus—The Wars of the Jews or History of the Destruction of Jerusalem

Questions About the Nature and Perpetuity of the Seventh-Day Sabbath.
AND PROOF, THAT THE FIRST DAY OF THE WEEK IS THE TRUE CHRISTIAN SABBATH. BY JOHN BUNYAN. 'The Son of man is lord also of the Sabbath day.' London: Printed for Nath, Ponder, at the Peacock in the Poultry, 1685. EDITOR'S ADVERTISEMENT. All our inquiries into divine commands are required to be made personally, solemnly, prayerful. To 'prove all things,' and 'hold fast' and obey 'that which is good,' is a precept, equally binding upon the clown, as it is upon the philosopher. Satisfied from our observations …
John Bunyan—The Works of John Bunyan Volumes 1-3