When primeval man ๏ฌrst used ๏ฌint stones for any purpose, he would have accidentally splintered them, and would then have used the sharp fragments. From this step it would be a small one to break the ๏ฌints on purpose and not a very wide step to fashion them rudely.
Charles DarwinIf it could be demonstrated that any complex organ existed, which could not possibly have been formed by numerous, successive, slight modifications, my theory would absolutely break down. But I can find no such case.
Charles DarwinAny one whose disposition leads him to attach more weight to unexplained difficulties than to the explanation of facts will certainly reject my theory.
Charles DarwinIt is certain that there may be extraordinary mental activity with an extremely small absolute mass of nervous matter: thus the wonderfully diversified instincts, mental powers, and affections of ants are notorious, yet their cerebral ganglia are not so large as the quarter of a small pin's head. Under this point of view, the brain of an ant is one of the most marvelous atoms of matter in the world, perhaps more so than the brain of a man.
Charles Darwin