The following story begins the first chapter of Jeffrey K. Salkin's book, Being God's Partner (Jewish Lights Publishing, 1994).
While walking in a neighboring village late at night, a Hasidic rebbe met a man who was also walking alone. For a while, the two walked in silence. Finally, the rebbe turned to the man and asked, "So, who do you work for?"
"I work for the village," the man answered. "I'm the night watchman."
They walked in silence again. Finally, the night watchman asked the rebbe, "And who do you work for?"