• True, you don't have to be religious to be crazy, but it helps. Indeed, if you are religious, you don't have to be crazy in the medically certifiable sense in order to do massively crazy things.

    Daniel Dennett: True, you don't have to be religious to be crazy, but it helps.  Indeed, if you are religious, you don't have to be crazy in the medically certifiable sense in order to do massively crazy things.
    "Is religion a threat to rationality and science?" by Daniel Dennett and Robert Winston, www.theguardian.com. April 22, 2008.