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 Nietzsche and Philosophy Nietzsche and Philosophy () is a 1962 book about Friedrich Nietzsche by the philosopher Gilles Deleuze, in which the author treats Nietzsche as a systematically coherent philosopher, discussing concepts such as the will to power and the eternal return. "Nietzsche and Philosophy" is a celebrated and influential work. Its publication has been seen as a significant turning-point in French philosophy, which had previously given little consideration to Nietzsche as a serious philosopher. Deleuze writes that the reception of Nietzsche's thought has involved two key issues, those of whether it helped to prepare the way for fascism, and