A circle has no end. Author: Isaac Asimov Copy Quote More from Isaac Asimov “Even so, mankind will suffer badly from the disease of boredom, a disease sprea…” “With the slow fascination of fear, he lifted himself on one arm and turned his …” “To [the government] it didn't matter what happened to the American people as lo…” “I suppose there's no way of putting the mushroom cloud back into that nice, shi…”