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

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 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 produced no effect whatever on my mind.

If this is not done, future ages will certainly look back upon us as a people so immersed in the pursuit of wealth as to be blind to higher considerations.

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

Truth is born into this world only with pangs and tribulations, and every fresh truth is received unwillingly.

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.