books.google.ca - This poem by Lucretius combines a scientific and philosophical treatise with poetry. With intense moral fervour he demonstrates to humanity that in death there is nothing to fear since the soul is mortal, and the world and everything in it is governed by the mechanical laws of nature and not by gods;...http://books.google.ca/books/about/T_Lucretius_Carus_Of_the_nature_of_thing.html?id=dDpBAAAAMAAJ&q=call'd&utm_source=gb-gplus-shareT. Lucretius Carus, Of the nature of things