There is always the danger that we may just do the work for the sake of the work. This is where the respect and the love and the devotion come in - that we do it to God to Christ and that's why we try to do it as beautifully as possible.
Idle people are often bored and bored people unless they sleep a lot are cruel. It is not accident that boredom and cruelty are great preoccupations in our time.