As the main work of civilisation has been the vindication of the rights of the weak, it is not too much, I think, to insist that the practice of Vivisection in which this tyranny of strength culminates is a retrograde step in the progress of our race—a backwater in the onward flowing stream of justice and mercy, no less portentous than deplorable.

Ch. I: The Moral Aspects of Vivisection, p. 15 - The Modern Rack (1889)