Popular Science Monthly (1883)
“ It is not that his works stand to-day confessed in their supereminence, but that he was before all other men in arriving at the views they contain. Evolution has now become a commonplace of thought; it was the guiding principle of Herbert Spencer's intellectual labor thirty years ago. While yet the doctrine was scouted as a chimera by one half the world, and execrated as an abomination by the other half, there was with Mr. Spencer no slightest question of its truth, the evidence for it being to him overwhelming and irresistible on every hand. ”
