Doing work which has to be done over and over again helps us recognize the natural cycles of growth and decay, of birth and death, and thus become aware of the dynamic order of the universe. "Ordinary" work, as the root meaning of the term indicates, is work that is in harmony with the order we perceive in the natural environment.
There is love like a small lamp, which goes out when the oil is consumed; or like a stream which dries up when it doesn't rain. But there is a love like a mighty spring gushing up out of the earth; it keeps flowing forever, and is inexhaustible . . .