Deuteronomy 10:2

10:2 I will write on the tablets the same words ¹  that were on the first tablets you broke, and you must put them into the ark.”

Exodus 25:16

25:16 You are to put into the ark the testimony ²  that I will give to you.

Exodus 40:20

40:20 He took the testimony and put it in the ark, attached the poles to the ark, and then put the atonement lid on the ark.

[10:2]  ¹ sn The same words. The care with which the replacement copy must be made underscores the importance of verbal precision in relaying the Lord’s commandments.

[25:16]  ² sn The “testimony” is the Decalogue (Exod 24:12; 31:18; Deut 4:13; 9:9; 1 Kgs 8:9); the word identifies it as the witness or affirmation of God’s commandments belonging to his covenant with Israel. It expressed God’s will and man’s duty. In other cultures important documents were put at the feet of the gods in the temples.