De Rerum Natura is an explanation of the world according to Lucretius’s Epicurean philosophy in which chance rather than the Roman deities has the major influence.
Download Lucretius Lib.VI 
47 MB
It became possible after Baskerville’s time to add a further five lines at the end of the book:
inque aliis alium populum sepelire suorum
certantes; lacrimis lassi luctuque redibant;
inde bonam partem in lectum maerore dabantur;
nec poterat quisquam reperiri, quem neque morbus
nec mors nec luctus temptaret tempore tali.