If you have a particular faith or religion, that is good. But you can survive without it.
“Faith always contains an element of risk, of venture; and we are impelled to make the venture by the affinity and attraction which we feel in ourselves.”
“Keep it in tune with the times, but don't write with the specific purpose of trying to create a hit. If you're doing it strictly to make money, you're crazy. There are easier ways to make money.”