"The defensiveness of Islam is its crucial feature today. It's what, by the way, is in such contrast to the most interesting period of Islamic history, when Islam was an open, absorbing religion, constantly taking in outside influences, as opposed to its current hedgehog-like posture, prickly to the outside ... always looking backward. This is not how it was in the creative moment, in the first four, six, eight centuries of Islam, where it was constantly seeking out and absorbing."