"[We] imbue self and things with a tightness, solidity and opacity. Instead of experiencing the world as an uncertain play of conditions, we prefer the safety of one that appears to be clear-cut, predictable and manageable. Yet the price to pay for this preference is that life is rendered dull and repetitive. To relieve the tedium, we find ourselves driven to ever more intense moments of experience (food, shopping, drugs, sex, vacations, movies, religion)."
(from Verses from the center – a buddhist vision of the Sublime by Stephen Batchelor)
We don't look at the flamboyance of the world as it is, we don't look at the magnificence of ever-changing colours and lights and shadows of the world we're part of, and then we search for "more, more, more"... By trying to independently and safely "be," we cut ourselves from the beauty of life and thus make ourselves never be satiated or satisfied.