This semester I’m teaching a course on the literature of journey and quest with my colleague William Graham. The stories we read teach us, week after week, that there are things we cannot know about the possibilities our humanity holds until we detach ourselves from what is familiar and move into unknown territory. We follow in the footsteps of travelers who come back from their journeys with new information about what it means to be alive.

When we read the Epic of Gilgamesh, in which the hero travels to the ends of the earth searching for a solution to his mortality, Bill always tells our students a story about the teacher with whom he studied that tale. Bill describes his teacher reading aloud ancient hymns to the Mesopotamian gods—the corn gods and the rain gods, the gods of the mountains, and the gods of the marsh—with tears running down his face. These gods were profoundly linked to human needs that are the same now as they were millennia ago: the human need for a climate that sustains life, and for food and nourishment. With his tears, Bill’s teacher acknowledged and honored the human needs that we share with everyone who’s ever lived.

I’ve seen tears on Bill’s face in the classroom as well. When he leads us through the journey of Moses and the people of Israel in the book of Exodus, he reads from the speech in which Martin Luther King Jr. compares himself to Moses on Mount Nebo, seeing the Promised Land but not knowing if he’ll cross into it himself. Bill wants to show us how the Exodus journey has imprinted itself on other journeys, how its pattern continues to shape our own stories. His tears bear witness to the good news that these journey stories carry within them: that things do not have to be as they are; that new forms of community can come into being; that the world can change.