[89] For of all the faculties which exist in us, the mind alone, as being the most rapid in its motions of all, appears to be able to outrun and to pass by the time in which it originates, according to the invisible powers of the universe and of its parts existing without any reference to time, and touching the universe and its parts, and the causes of them. And now, having gone not only to the very boundaries of earth and sea, but also to those of air and heaven, it has not stopped even there, thinking that the world itself is but a brief limit for its continued and unremitting course. And it is eager to advance further; and, if it can possibly do so, to comprehend the incomprehensible nature of God, even if only as to its existence.