(Spirituality) sees beyond direct cause-and-effect relationships into a larger understanding of the whole web of life and our role in it. And it really has nothing to do with religion, although I do believe that religions were founded on spiritual experience. And then what happens is when you believe somebody else's spiritual experience, then you become religious without having any experience of your own necessarily.
You can find the rest of the interview here.
Although, some of what Deepak says about acquiring wealth and whatnot seems somewhat superficial, I do like his seven spiritual laws, and his take on intention without attachment to the outcome.