The Hebrew Bible in (Genesis 13:14) times the divine address with surgical precision: after that Lot had separated from him. Targum Pseudo-Jonathan preserves the clause verbatim because it is the whole meaning of the verse.
The Holy One does not speak to Abram while Lot is still in the camp. He waits. The Shekhinah — that favorite Aramaic name for the indwelling presence — holds back through the quarrel of the shepherds, through the tense parting, through the moment Abram watches his nephew walk toward the plain of the Jordan. Only when Lot is gone does the voice return.
The Sages in Bereshit Rabbah 41:8 read this as a lesson about the company we keep. Prophecy in this tradition is not promiscuous. It seeks clear air. While Abram was in partnership with a man whose shepherds grazed on stolen ground (as the Targum explained in (Genesis 13:7)), the promise of the land was not renewed. The instant the ethics of the camp were purified — even at the cost of family — heaven spoke.
And the speech is generous. Lift up now thine eyes, and look, from the place where thou art, to the north and to the south, to the east and to the west. Where Lot had lifted his eyes toward Sodom (Genesis 13:10), Abram is now commanded to lift his in every direction at once. A four-cornered gaze. A panorama for a man who has just lost his nephew.
The Targum teaches a painful grace. Sometimes the view only opens after someone else has left the frame. The Holy One does not compete for attention. He waits until the space is ready.