The absent-minded professor There are three variants of procrastination, depending on what you do instead of working on something: you could work on (a) nothing, (b) something less important, or (c) something more important. That last type, I'd argue, is good procrastination. That's the "absent-minded professor," who forgets to shave, or eat, or even perhaps look where he's going while he's thinking about some interesting question. His mind is absent from the everyday world because it's hard at work in another. Paul Graham, Good and bad procrastination procrastinationproductivity
Some emptiness in us Whenever we encounter beauty we become aware, each time with a sense of shock and pleasure, faint though it may be, that some emptiness in us, not consciously felt but continually present, has been assuaged and fulfilled. We have a sudden high sense of completeness and harmony. David Pye, The Nature and Aesthetics of Design The Timeless Way of Building beauty