After the birth of Isaac and a peace treaty with the Philistine king, Abraham does something that sounds ordinary: he plants an eshel. Our Sages disagree about what that word means. One says it was an orchard. The other says it was an inn, a place where tired travelers could stop for food, drink and rest. The Lubavitcher Rebbe teaches that this "ordinary" inn was actually something new. It was the first public institution in history devoted to spreading belief in one G-d and
