Civilisation has ever accompanied emigration and conquest - the conflict of opinion, of religion, or of race Alfred Russel Wallace More Quotes by Alfred Russel Wallace More Quotes From Alfred Russel Wallace 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 Alfred Russel Wallace agency mind believe 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. Alfred Russel Wallace mind tuesday years 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. Alfred Russel Wallace principles animal looks What birds can have their bills more peculiarly formed than the ibis, the spoonbill, and the heron? Alfred Russel Wallace herons bills bird I hold with Henry George, that at the back of every great social evil will be found a great political wrong Alfred Russel Wallace political social evil 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. Alfred Russel Wallace age people looks 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. Alfred Russel Wallace habit organization animal What we need are not prohibitory marriage laws, but a reformed society, an educated public opinion which will teach individual duty in these matters Alfred Russel Wallace public-opinion marriage law On the Law Which has Regulated the Introduction of Species 1855 Alfred Russel Wallace The foregoing considerations lead us to the very important conclusion, that matter is essentially force, and nothing but force; that matter, as popularly understood, does not exist, and is, in fact, philosophically inconceivable. Alfred Russel Wallace nothing force important matter I have since wandered among men of many races and many religions. Alfred Russel Wallace religions since many men