I hold with Henry George, that at the back of every great social evil will be found a great political wrong
Alfred Russel WallaceIn 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.
Alfred Russel WallaceMars, therefore, is not only uninhabited by intelligent beings such as Mr. Lowell postulates, but is absolutely uninhabitable.
Alfred Russel WallaceCivilisation has ever accompanied emigration and conquest - the conflict of opinion, of religion, or of race
Alfred Russel WallaceIn one of my latest conversations with Darwin he expressed himself very gloomily on the future of humanity, on the ground that in our modern civilization natural selection had no play, and the fittest did not survive. Those who succeed in the race for wealth are by no means the best or the most intelligent, and it is notorious that our population is more largely renewed in each generation from the lower than from the middle and upper classes.
Alfred Russel Wallace