Is Nature Itself a Sufficient Source of Spirituality?

Is Nature Itself a Sufficient Source of Spirituality? Listen

A livestream from Ryan Price published in Nature

Isaac and I share a view that spirituality plays one of the most vital roles in human life. However we disagree when it comes to the need for mysticism and speculation. Is nature as we know it already good enough grounds to live a spiritually fulfilled life? Or are there more key beliefs required to accomplish that level of inner devotion?