There is, I conceive, no contradiction in believing that mind is at once the cause of matter and of the development of individualised human minds through the agency of matter

In all works on Natural History, we constantly find details of the marvellous adaptation of animals to their food, their habits, and the localities in which they are found.

Every species has come into existence coincident both in space and time with a pre-existing closely allied species.

I am thankful I can see much to admire in all religions.

What we need are not prohibitory marriage laws, but a reformed society, an educated public opinion which will teach individual duty in these matters

But naturalists are now beginning to look beyond this, and to see that there must be some other principle regulating the infinitely varied forms of animal life.

In my solitude I have pondered much on the incomprehensible subjects of space, eternity, life and death.