A circle has no end.

“Aimless extension of knowledge, however, which is what I think you really mean …”

“Señor Norman Muller, debo informarle, en nombre del presidente de los Estados U…”

“It wasn’t to be endured! For half an hour, the Captain shot off salvo after sal…”

“You are a practical man, Elijah. You do not moon romantically over Earth's past…”