The human being is God's representative on this earth, one who knows the true names of things. This knowing of the names is the knowing of the distinguishing characteristics of things, their innate qualities.
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.