And command the people, saying, "You are about to pass through the territory of your brethren, the descendants of Esau, who live in Seir; and they will be afraid of you. Therefore watch yourselves carefully.
Deuteronomy 2:4
Surrounding context
2:3 "You have skirted this mountain long enough; turn northward.
2:4 And command the people, saying, "You are about to pass through the territory of your brethren, the descendants of Esau, who live in Seir; and they will be afraid of you. Therefore watch yourselves carefully.
2:5 Do not meddle with them, for I will not give you any of their land, no, not so much as one footstep, because I have given Mount Seir to Esau as a possession.