Lactantius

“ Since therefore wisdom, which is given to man alone, is nothing else but the knowledge of God, it is evident that the soul does not perish, nor undergo dissolution, but that it remains for ever, because it seeks after and loves God, who is everlasting, by the impulse of its very nature perceiving either from what source it has sprung, or to what it is about to return. Moreover, it is no slight proof of immortality that man alone makes use of the heavenly element. ”

“ But those things which are weighty depress to death, and those which are light elevate to life; because life is on high, and death below. And as there cannot be light without fire, so there cannot be life without light. Therefore fire is the element of light and life; from which it is evident that man who uses it is a partaker of an immortal condition, because that which causes life is familiar to him.
The gift of virtue also to man alone is a great proof that souls are immortal. ”

“ But if they believe in the existence of gods who, if they exist, are plainly destitute of bodies, it must be that human souls exist in the same way, since it is perceived from reason itself, and discernment, that there is a certain resemblance in man and God. Finally, that proof which even Marcus Tullius [4] saw is of sufficient strength: that the immortality of the soul may be discerned from the fact that there is no other animal which has any knowledge of God; and religion is almost the only thing which distinguishes man from the dumb creation. ”

“ For that earthly life, which we lead in common with dumb animals, both seeks pleasure, by the varied and agreeable fruits of which it is delighted, and avoids pain, the harshness of which, by its unpleasant sensations, injures the nature of living beings, and endeavours to lead them to death, which dissolves the living being. ”

“ What is clearer than the voice, or stronger than the wind, or more forcible than smell? Yet these, when they are borne through the air and come to our senses, and impel them by their efficacy, are not distinguished by the eyesight, but are perceived by other parts of the body. In like manner, God is not to be perceived by us through the sight or other frail sense ”

“ But if there is a God who is incorporeal, invisible, and eternal, therefore it is credible that the soul, since it is not seen, does not perish after its departure from the body; for it is manifest that something exists which perceives and is vigorous, and yet does not come into sight. ”

“ If, therefore, virtue both prohibits man from those goods which are naturally desired, and impels him to endure evils which are naturally avoided, it follows that virtue is an evil, and opposed to nature ”

“ And because they saw that adversity befell the wicked, or prosperity happened to the good, they believed that all things were carried on by fortune, and that the world was established by nature, and not by providence. ”

“ But, it is said, it is difficult to comprehend with the mind how the soul can retain its perception without those parts of the body in which the office of perception is contained. What about God? Is it easy to comprehend how He is vigorous without a body? ”

“ For, since the nature of the world consists of two elements [7] which are opposed to one another—fire and water—of which the one is assigned to the heaven, the other to the earth, the other living creatures, because they are of the earth and mortal, make use of the element which is earthly and heavy: man alone makes use of fire, which is an element light, rising upward, [8] and heavenly. ”