Moses
Deuteronomy 1:8ESV·traditional attribution

See, I have set the land before you. Go in and take possession of the land that the LORD swore to your fathers, to Abraham, to Isaac, and to Jacob, to give to them and to their offspring after them.’

Matthew Henry Presbyterian @wholebiblehenry

We have here, I. The date of this sermon which Moses preached to the people of Israel. A great auditory, no question, he had, as many as could crowd within hearing, and particularly all the elders and officers, the representatives of the people; and, probably, it was on the sabbath day that he delivered this to them. 1.

Commenting on Deuteronomy 1:1-8

John Gill Reformed Baptist @doctorgill

Behold, I have set the land before you,.... Described it to them, and set its bounds, as well as had given them a grant of it: go in and possess the land, which the Lord sware unto your fathers, Abraham, Isaac, and Jacob, to give unto them and their seed after them: and which being thus made sure unto them, they had nothing more to...

Jamieson-Fausset-Brown Reformed @jfbcommentary

I have set the land before you--literally, "before your faces"--it is accessible; there is no impediment to your occupation. The order of the journey as indicated by the places mentioned would have led to a course of invasion, the opposite of what was eventually followed; namely, from the seacoast eastward--instead of from the Jordan westward (see on Num 20:1).