The essence of one’s work should be how to come to feel taste in bestowing contentment to one’s Maker, since all that one does for oneself distances him from the Creator, due to the disparity of form. However, if one performs an act to benefit the Creator, even the smallest act, it is still considered a Mitzva...
"The essence of one's work should be how to come to feel taste in bestowing contentment to one's Maker..." That is, to feel taste in bestowal. What is the benefit of it? The benefit is that I feel good from giving.