One of the first characteristics of a successful start-up founder is often that there is a little bit of crazy in the person. David Segal, writing in the New York Times, called it "just manic enough." In order for your ideas to seem fresh, they have to be a little bit off-center, a little bit off-kilter. You have to see your ideas a little more clearly than everyone else in order to believe they will work.
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http://www.inc.com/penelope-trunk/surprising-ways-to-find-great-startup-ideas.html?cid=em01012week29
