limity; and however difficult it may be to explain the genesis of this sense, it can hardly be advanced as an argument for the existence of God, any more than the powerful though vague and similar feelings excited by music.
"With respect to immortality, nothing shows me (so clearly) how strong and almost instinctive a belief it is, as the consideration of the view . . . . that the sun with all the planets will in time grow too cold for life, unless indeed some great body dashes into the sun, and thus gives it fresh life. Believing as I do that man in the distant future will be a far more perfect creature than he now is, it is an intolerable thought that he and all other sentient beings are doomed to complete annihilation after such long-continued slow progress. To those who fully admit the immortality of the human soul, the destruction of our world will not appear so dreadful."
It is worthy of note, however, that Darwin did not let even this feeling, or prejudice; he wished he could believe in immortality, rather envied those who could, but maintained his own doubt. The same is true of his attitude on the problem of conceiving the universe, or the great group of universes, as the result of purely impersonal, unintelligent, natural forces. "When thus reflecting," he says, "I feel compelled to look for a First Cause having an intelligent mind in some degree analogous to man; and I deserve to be called a Theist. This conclusion was strong in my mind about the time, as far as I remember, when I wrote the 'Origin of Species'; and it has since that time, with many fluctuations, become weak-
