The ascent to the divine Life is the human journey, the Work of works, the acceptable Sacrifice. This alone is man's real business in the world and the justification of his existence, without which he would only be an insect crawling among the ephemeral insects on a speck of surface mud and water which has managed to form itself amid the appalling immensities of the physical universe.
Everything new troubles us. Life catches us unawares and obliges us to journey towards the unknown, even when we do not want to, even when we do not need to.
Most people believe the mind to be a mirror, more or less accurately reflecting the world outside them, not realizing on the contrary that the mind is itself the principal element of creation.