Letters on the English author of "Novum Organum" and father of experimental philosophy. Letter 13 is about John Locke and his theories on the immortality of the soul. Letter 14 compares British philosopher Isaac Newton to French philosopher René Descartes. Upon his death in 1727, Newton was compared to Descartes in a eulogy performed by French philosopher Fontenelle. While the British did not appreciate this comparison, Voltaire argues that Descartes, too, was a great philosopher and mathematician. Letter 15 focuses on Newton's law of universal gravitation. Letter 16 talks about Newton's work with optics. Letter 17 discusses Newton's work with geometry and his theories
The Moral Philosopher and the Moral Life The Moral Philosopher and the Moral Life "The Moral Philosopher and the Moral Life" was an essay by the philosopher William James, which he first delivered as a lecture to the Yale Philosophical Club, in 1891. It was later included in the collection, "The Will to Believe and other Essays in Popular Philosophy." He drew a distinction between three questions in ethics: psychological, metaphysical, casuistic. "The psychological question asks after the historical origin of our moral ideas and judgments; the metaphysical question asks what the very meaning of the words 'good,' 'ill,' and 'obligation' are; the casuistic question asks what