A Short History of Freethought Ancient and Modern, Volume 2 of 2 by J. M. Robertson

5. On Feuerbach's Essence of Religion followed the resounding explosion

of Büchner's Force and Matter (1855), which in large measure, but with much greater mastery of scientific detail, does for the plain man of his century what d'Holbach in his chief work sought to do for his day. Constantly vilified, even in the name of philosophy, in the exact tone and spirit of animal irritation which marks the religious vituperation of all forms of rationalism in previous ages; and constantly misrepresented as professing to explain an infinite universe when it does but show the hollowness of all supernaturalist explanations, [1962] the book steadily holds its ground as a manual of anti-mysticism. [1963] Between them, Feuerbach and Büchner may be said to have framed for their age an atheistic "System of Nature," concrete and abstract, without falling into the old error of substituting one apriorism for another. Whosoever endorses Baur's protest against the "one-sidedness" of Feuerbach, who treats of religion on its chosen ground of self-consciousness, has but to turn to Büchner's study of the objective world and see whether his cause fares any better.