This fascinating volume contains a collectioin of philosophical treatises by seminal ancient philisophers, including 'On The Nature of Time', by Ocellus Lucanus; 'On the Eternity of the World', by Taurus; and Julius Firmicus's 'Maternus of the Thema Mundi', in which the positions of the stars at the commencement of the several mundane periods is given. A large number of notes has also been added to each of these treatises in an attempt aid the intellectual thinker in understanding these expositions in their entirety. This wonderful collection of philosophical works will greatly appeal to those with a keen interest in ancient philosophy, and it makes for a worthy addition to any collection or literature. This volume was first published in 1831, and is being republished now complete with a specially commissioned new introduction on the subeject.