Alfred russel wallace

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

To say that mind is a product or function of protoplasm, or of its molecular changes, is to use words to which we can attach no clear conception.

I hold with Henry George, that at the back of every great social evil will be found a great political wrong.

To the mass of mankind religion of some kind is a necessity.

I spent, as you know, a year and a half in a clergyman's family and heard almost every Tuesday the very best, most earnest and most impressive preacher it has ever been my fortune to meet with, but it...

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.

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.

As well might it be said that, because we are ignorant of the laws by which metals are produced and trees developed, we cannot know anything of the origin of steamships and railways.

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

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.