Long ago, on a hot summer night in Afghanistan, the king decided to leave the palace and go out into the city for some fresh air. So he took off his royal garments and put on the clothes of a peasant, and went by himself to wander through the streets of his city. At first he went to the center of town, and from there he walked until he reached a poor section on the outskirts of the city. After a while the heat began to bother him, and he saw that one of the houses there had a light in the window, and a pleasant singing voice reached the king's ears. The king came closer and peered through the window of that house, and there he saw a man sitting at the table beside his wife. On the table were different kinds of fruits and salads and a small bottle of arak. The man drank a glass of the arak and tasted the fruits and sang praises to God. The king stood at the window for a few minutes, astonished by the peace and serenity of this poor man, and he wondered what might be the source of hi...