Book excerpt: A survey of the revolutions of empires. CONTENTS: The Tour--Meditations--The Apparition--The Hemisphere--Condition of man in the Universe--Original state of Man--Principles of Society--Source of the evils of Society--Origin of Government and Laws--General causes of the prosperity of Nations--General causes of the prosperity and ruin of ancient States--Lessons taught by ancient, repeated in modern Times--Will the Human Race be ever in a better condition than at present?--Grand obstacle to Improvement--New Age--A free and legislative People--Universal basis of all Right and law--Consternation and conspiracy of Tyrants--General assembly of the people--Investigation of Truth--Problem of religious contradictions--Origin and genealogy of religious ideas.