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
Nietzsche and Philosophy philosopher Hans Sluga identifies "Nietzsche and Philosophy" as a possible influence on the philosopher Michel Foucault: he suggests that the work helped Foucault to discover Nietzsche as a "genealogical thinker, the philosopher of the will to power." Che-ming Yang describes "Nietzsche and Philosophy" as "one of Deleuze's masterpieces which highlights that the reading of Nietzsche is central to his own philosophical project". Axel Pérez Trujillo discussed the book in "Estudios Nietzsche: Revista de la Sociedad Española de Estudios sobre Friedrich Nietzsche". Nietzsche and Philosophy Nietzsche and Philosophy () is a 1962 book about Friedrich Nietzsche by the philosopher Gilles Deleuze,