Exercise invigorates the body and sharpens the mind. Auteur: Michael Crichton Copy Quote More from Michael Crichton “Human intelligence was more trouble than it was worth. It was more destructive …” “In his blackest hours, Stone doubted the utility of all thought, and all intell…” “All human behavior has a reason. All behavior is solving a problem.” “Life breaks free. Life expands to new territories. Painfully, perhaps even dang…”