text: This philosophical work's author quotes Ovid's line "The better path I gaze at and approve, the worse - I follow" to illustrate how men are moved more by opinion than reason.
full_question: This philosophical work's author quotes Ovid's line "The better path I gaze at and approve, the worse - I follow" to illustrate how men are moved more by opinion than reason. This book advises avoiding the Christian virtue of humility because it produces impotence and sorrow. Its second book opens by distinguishing ideas from adequate ideas, and posits that all material things have a parallel idea. This book, whose structure was modeled on Euclid's Elements, defines "freedom" as an existence from the necessity of one's own nature, a state only achievable by God, who is equated with substance. Its third book concerns the origin of human emotions, while its fourth book is on human bondage. For 10 points, name this book by Baruch Spinoza.
first_sentence: This philosophical work's author quotes Ovid's line "The better path I gaze at and approve, the worse - I follow" to illustrate how men are moved more by opinion than reason.
raw_answer: Ethics [Ethics, Demonstrated in Geometrical Order] [or Ethica, ordine geometrico demonstrata]