...religion. As a committed Darwinist he proposed the hypothesis that what he called 'religious experience' has evolved through the process of natural selection because it has survival value to the individual. An examination of his lectures shows that what he meant by religious experience...

...called religious experience (more commonly termed today as the spiritual, or spiritual experience) has evolved through the process of natural selection...because it has survival value for the individual. In other words, the capacity for spirituality is potentially present in all human beings because it...