A lot of the fun lies in trying to penetrate the mystery and this is best done by saying over the lines to yourself again and again, till they pass through the stage of sounding like nonsense, and finally return to a full sense that had at first escaped notice. – Anthony Hecht
The plain man is familiar with blindness and deafness, and knows from his everyday experience that the look of things is influenced by his senses but it never occurs to him to regard the whole world as the creation of his senses. – Ernst Mach
