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.
“For so long as the Jew has even one ally, he will be convinced - in his smallness of mind - that his salvation came from that ally. It is only when he is alone - against all of his own efforts and frantic attempts - that he will, through no choice, be compelled to turn to G-d.”