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

It has been generally the custom of writers on natural history to take the habits and instincts of animals as the fixed point, and to consider their structure and organization as specially adapted to be in accordance with them.

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

Civilisation has ever accompanied emigration and conquest - the conflict of opinion, of religion, or of race

Modification of form is admitted to be a matter of time

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.

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