""An Ethical Treatise On The Passions: Founded On The Principles Investigated In The Philosophical Treatise"" is a book written by Thomas Cogan and published in 1807. The book is an exploration of the human passions and their relation to ethics. Cogan delves into the nature of emotions such as love, hate, fear, and anger, and examines how they can be harnessed for moral purposes. He argues that the passions are not inherently good or bad, but rather...