Note 159 — Chapter VII · HEDONISM AND EVOLUTIONISM.
Reading edition
Spencer, Data of Ethics, p. 82 f; Principles of Psychology, § 125, 3d ed., i. 280; Stephen, Science of Ethics, p. 83. The simplicity of this argument will be appreciated if we consider the difficulty Comte experienced in trying to reach a similar conclusion. See Positive Philosophy, Miss Martineau's translation, ii. 87 ff.