Does Quotes (page 86)
Night falls; the traveler must pass down village streets, between thehouses with yellow- lit windows, and on out into the darkness of thefields. Each alone, they go west or north, towards the mountains. Theygo on. They leave Omelas, they walk ahead into the darkness, and theydo not come back. The place they go towards is a place even lessimaginable to most of us than the city of happiness. I cannot describeit at all. It is possible that it does not exist. But they seem toknow where they are...
Ursula K. Le Guin