Parshas Lech Lecha begins with a command to Avraham to undertake a journey. The biblical patriarch's journey is not merely in space. All journeys in the Torah are also journeys of faith. The physical act of putting one foot in front of another is also a spiritual and emotional experience culminating in the journey through the desert after the redemption from Egyptian slavery and the exile of the Jewish people. The biblical patriarch is being commanded to go on a spiritual journey of faith. This is not a mere mental exercise. Nor is it a physical one. Or even a personal one. If it were, there would be no reason for us to be reviewing his story all these many thousands of years later. Instead, what Avraham finds on that journey has transformed the world and brought into being the world that we live in today. In the parsha, G-d makes one of a number of promises to Avraham, in this one, right before the Brit Bein HaBetarim, the Covenant of Parts, and after the battle with the fou...