A Jewish man was enjoying his Passover lunch in the park. Since leavened bread is forbidden during the eight-day holiday, he was eating matzoh, a flat, crunchy, unleavened bread that has dozens of perforations. A little while later a blind man came by and sat down next to him. Feeling neighbourly, the Jew passed a sheet of matzo to his new companion.
The blind man handled the matzoh for a few minutes. Finally, looking puzzled, he exclaimed: "Who wrote this crap?"