The only thing that we know is that we know nothing, and that is the highest flight of human wisdom. Autor: Leo Tolstoy Copy Quote More from Leo Tolstoy “People of limited intelligence are fond of talking about "these days," imaginin…” “It was necessary that millions of men in whose hands lay the real power -- the …” “Her eyes, always sad, now looked into the mirror with particular hopelessness. …” “The pleasure lies not in discovering truth, but in searching for it.”