The Uses of Difficulty The brain likes a challenge—and putting a few obstacles in its way may well boost its creativity
				出自-2013年12月阅读原文
				We tend to equate(等同于)happiness with freedom, but, as the psychotherapist and writer Adam Phillips has observed, without obstacles to our desires it's harder to know what we want, or where we're heading
				出自-2013年12月阅读原文
				Obstacles are everywhere disappearing.
				出自-2013年12月阅读原文