Exodus 10:2

And that thou mayest tell in the ears of thy son, and of thy
son's son
Not of his sons and grandsons only; for Moses here, as Aben Ezra observes, was in the stead of Israel; and the sense is, that it should be told to their posterity in all succeeding ages:

what things I have wrought in Egypt;
the plagues that he inflicted on the Egyptians:

and my signs which I have done amongst them;
meaning the same things which were signs:

that ye may know how that I am the Lord;
that their God is the true Jehovah, and the one only living and true God; the Lord God omnipotent, omniscient, omnipresent, infinite, and eternal.