What was the prophecy of Moses that Joseph Smith referred to in verse 55 of his "translation" of Matthew?
The earth abideth the law of a celestial kingdom ... notwithstanding it shall die, it shall be quickened again,
and shall abide the power by which it is quickened, and the righteous shall inherit it. Doctrine & Covenants 88:25
What was the prophecy of Moses that Joseph Smith referred to in verse 55 of his "translation" of Matthew?
No one knows. There is no such "prophecy of Moses" in any of the Hebrew Scriptures.
And thus cometh the end of the wicked, according to the prophecy of Moses, saying: They shall be cut off from among the people; but the end of the earth is not yet, but by and by. Genesis 1:55