In the same day the LORD made a covenant with Abram, saying, Unto thy seed have I given this land, from the river of Egypt unto the great river, the river Euphrates:
Spoken to Abram following the covenant ceremony with the divided animals.
Genesis 15:18
King James Version (public domain)
Traditionally attributed to Moses · c. 13th century BC · The Pentateuch — Genesis, Exodus, Leviticus, Numbers, and Deuteronomy — is traditionally attributed to him
Context
16But in the fourth generation they shall come hither again: for the iniquity of the Amorites is not yet full.
17And it came to pass, that, when the sun went down, and it was dark, behold a smoking furnace, and a burning lamp that passed between those pieces.
18In the same day the LORD made a covenant with Abram, saying, Unto thy seed have I given this land, from the river of Egypt unto the great river, the river Euphrates:
19The Kenites, and the Kenizzites, and the Kadmonites,
20And the Hittites, and the Perizzites, and the Rephaims,