The ancestors of Edom and Israel were brothers, and brotherly kindness and courtesy should exist between them. The Israelites were forbidden, either then or at any future time, to revenge the affront given them in the refusal of passage through the land. They must not expect to possess any part of the land of Edom. While the Israelites were the chosen and favored people of God, they must heed the restrictions which He placed upon them. God had promised them a goodly inheritance; but they were not to feel that they alone had any rights in the earth, and seek to crowd out all others. They were directed, in all their intercourse with the Edomites, to beware of doing them injustice. They were to trade with them, buying such supplies as were needed, and promptly paying for all they received. As an encouragement to Israel to trust in God and obey His word they were reminded, “The Lord thy God hath blessed thee; ... thou hast lacked nothing.” Deuteronomy 2:7 . They were not dependent upon the…
"For the Lord thy God hath blessed thee in all the works of thy hand: he knoweth thy walking through this great wilderness: these forty years the Lord thy God hath been with thee; thou hast lacked nothing."
Ellen White directly references Deuteronomy 2:7 in this passage.