The Lord spake unto Moses - The commands in this chapter appear to have been given at Succoth, on the same day in which they left Egypt.

Exodus 12:51 And on that same day the LORD brought the sons of Israel out of the land of Egypt by their hosts.

Exodus 13:2 "Sanctify to Me every firstborn, the first offspring of every womb among the sons of Israel, both of man and beast; it belongs to Me."

The Personality of Power.
A Personally Conducted Journey. Everyone enjoys the pleasure of travel; but nearly all shrink back from its tiresomeness and drudgery. The transportation companies are constantly scheming to overcome this disagreeable side for both pleasure and business travel. One of the popular ways of pleasure travel of late is by means of personally conducted tours. A party is formed, often by the railroad company, and is accompanied by a special agent to attend to all the business matters of the trip. A variation …
S.D. Gordon—Quiet Talks on Power

Jesus' Last Public Discourse. Denunciation of Scribes and Pharisees.
(in the Court of the Temple. Tuesday, April 4, a.d. 30.) ^A Matt. XXIII. 1-39; ^B Mark XII. 38-40; ^C Luke XX. 45-47. ^a 1 Then spake Jesus ^b 38 And in his teaching ^c in the hearing of all the people he said unto ^a the multitudes, and to his disciples [he spoke in the most public manner], 2 saying, ^c 46 Beware of the scribes, ^a The scribes and the Pharisees sit on Moses' seat: 3 all things whatsoever they bid you, these do and observe: but do not ye after their works: for they say, and do not. …
J. W. McGarvey—The Four-Fold Gospel

The Old Testament Canon from Its Beginning to Its Close.
The first important part of the Old Testament put together as a whole was the Pentateuch, or rather, the five books of Moses and Joshua. This was preceded by smaller documents, which one or more redactors embodied in it. The earliest things committed to writing were probably the ten words proceeding from Moses himself, afterwards enlarged into the ten commandments which exist at present in two recensions (Exod. xx., Deut. v.) It is true that we have the oldest form of the decalogue from the Jehovist …
Samuel Davidson—The Canon of the Bible