In any period of history, when mankind was able to perceive its own futility, its own smallness, and its own follies and inconsistencies, a humorist appeared, like Chuangtse of China, Omar Khayyam of Persia, and Aristophanes of Greece. Athens would be infinitely poorer had there been no Aristophanes, and the Chinese intellectual heritage would be infinitely less rich had there been no Chuangtse.