Darla

“We cross our bridges when we come to them and burn them behind us, with nothing to show for our progress except a memory of the smell of smoke, and a presumption that once our eyes watered.”
― Tom Stoppard, Rosencrantz and Guildenstern Are Dead

“They are very young. And on their earth, as they call it, they never communicate with other planets. They revolve about all alone in space."
"Oh," the thin beast said. "Aren't they lonely?”
― Madeleine L'Engle, A Wrinkle in Time