Answering a lecture on ‘scientific articles of faith’ at Altenburg in 1892, Haeckel set out extempore his own creed: that matter and spirit are one, that the universe obeys a single natural law, and that the kernel of religion is an ethic founded on rational anthropology rather than dogma or revelation.
A short key text of nineteenth-century scientific naturalism, read today as a historical document of the science-and-religion debate. Download the free EPUB.