The white men in our colonies are too frequently the savages

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

I am decidedly of the opinion that in very many instances we can trace such a necessary connexion, especially among birds, and often with more complete success than in the case which I have here attempted to explain.

There is a tendency in nature to the continued progression of certain classes of varieties further and further from the original type.

Mars, therefore, is not only uninhabited by intelligent beings such as Mr. Lowell postulates, but is absolutely uninhabitable.

Modification of form is admitted to be a matter of time

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