Spirituality does two things for you. One, you are forced to become more selfless, two, you trust to providence. The opposite of a spiritual man is a materialist. If I was a materialist I would be making lots of money doing endorsements, doing cricket commentary. I have no interest in that.
The reason why I buy into the Democratic Party more than the Republican Party is because there are over 2,000 verses of Scripture that deal with responding to the needs of the poor.