"He had no idea of its cause, still
"He had no idea of its cause, still less of its cure; but discontent had come into his soul, and he had taken one small step toward humanity" (from 2001: A Space Odyssey)
"He had no idea of its cause, still less of its cure; but discontent had come into his soul, and he had taken one small step toward humanity" (from 2001: A Space Odyssey)