“Without those weapons, often though he had used them against himself, Man would never have conquered his world. Into them he had put his heart and soul, and for ages they had served him well. But now, as long as they existed, he was living on borrowed time.”
“…there was already something in his gaze beyond the capacity of any ape. In those dark, deep-set eyes was a dawning awareness—the first intimations of an intelligence that could not possibly fulfill itself for ages yet, and might soon be extinguished forever.”