نرجع للإيمان ونتحلل من المادة والحياة القاسية الجافة الصعبة! I don't recommend this book to religious people who want to strengthen their belief, because it will not and it will only weaken your imaan.
I am unsure whether it is only a metaphor, or he is sharing a Sufi belief, or he is just sharing his opinion on the matter.