You ask about my opinion on vivisection. I quite agree that it is justifiable for real investigations on physiology; but not for mere damnable and detestable curiosity.
Charles DarwinOne general law, leading to the advancement of all organic beings, namely, multiply, vary, let the strongest live and the weakest die.
Charles Darwin...he who remains passive when over-whelmed with grief loses his best chance of recovering his elasticity of mind.
Charles DarwinIt has sometimes been said that the success of the Origin proved "that the subject was in the air," or "that men's minds were prepared for it." I do not think that this is strictly true, for I occasionally sounded not a few naturalists, and never happened to come across a single one who seemed to doubt about the permanence of species.
Charles Darwin