shevek resents doing physical work instead of mental work

Source: the dispossessed by ursula k leguin p 72 When working on the afforestation project in the dust. He speculates that it's immoral to do work you don't enjoy. He resents "wasting his central" function out in the dust. At the same time he seems to somewhat apprecaite the fruits of this labor and the nature of some of his companians, dull though they may be.