Sentence:  "A formal idea of the heaven and the earth may be obtained by imagining the heaven as at first an <WSD>effluviant</WSD> generation from a mono central point, occupying, or creating and occupying space; the earth, as the airiest or end of such generative action, with the gradual relaxation of central tension and abnegation of such centre, the consequence being the formation of a huge internal spherical vacuity, termed in the genetic record 'earth.'" ("Clear as Mud," 
Meaning of the word marked with <WSD> tags:  Offensively smelly.