The French philosophy of the eighteenth century was in full strength. Those were the years in which Voltaire ruled European opinion, and Turgot could not but take account of his influence. Yet no one could apparently be more unlike those who were especially named as the French philosophers of the eighteenth century. He remained reverential; he was never blasphemous, never blatant; he was careful to avoid giving needless pain or arousing fruitless discussion; and, while the tendency of his whole thinking was evidently removing him from the orthodoxy of the Church, his was a broader and deeper philosophy than that which was then dominant.
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White, ibid., Seven Great Statesmen...Anne Robert Jacques Turgot
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The first great frontal assault on the Enlightenment was launched by Jean-Jacques Rousseau (1712-1778). Rousseau has a well-deserved reputation as the bad boy of eighteenth century French philosophy. In the context of Enlightenment intellectual culture, Rousseau’s was a major dissenting voice. He was an admirer of all things Spartan—the Sparta of militaristic and feudal communalism—and a despiser of all things Athenian—the classical Athens of commerce, cosmopolitanism, and the high arts. Civilization is thoroughly corrupting, Rousseau argued -- not only the oppressive feudal system of eighteenth-century France with its decadent and parasitical aristocracy, but also its Enlightenment alternative with its exaltation of reason, property, the arts and sciences. Name a dominant feature of the Enlightenment, and Rousseau was against it.
Jean-Jacques Rousseau
If the orthodoxy of Augustine had remained the teaching of the Church, the final establishment of Evolution would have come far earlier than it did, certainly during the eighteenth instead of the nineteenth century, and the bitter controversy over this truth of Nature would never have arisen.
Augustine of Hippo
For four hundred years the human race has not made a step but what has left its plain vestige behind. We enter now upon great centuries. The sixteenth century will be known as the age of painters, the seventeenth will be termed the age of writers, the eighteenth the age of philosophers, the nineteenth the age of apostles and prophets. To satisfy the nineteenth century, it is necessary to be the painter of the sixteenth, the writer of the seventeenth, the philosopher of the eighteenth; and it is also necessary, like Louis Blane, to have the innate and holy love of humanity which constitutes an apostolate, and opens up a prophetic vista into the future. In the twentieth century war will be dead, the scaffold will be dead, animosity will be dead, royalty will be dead, and dogmas will be dead; but Man will live. For all there will be but one country—that country the whole earth; for all there will be but one hope—that hope the whole heaven.
Victor Hugo
One of the bad effects of an anti-intellectual philosophy such as that of Bergson, is that it thrives upon the errors and confusions of the intellect. Hence it is led to prefer bad thinking to good, to declare every momentary difficulty insoluble, and to regard every foolish mistake as revealing the bankruptcy of intellect and the triumph of intuition. There are in Bergson's work many allusions to mathematics and science, and to a careless reader these allusions may seem to strengthen his philosophy greatly. As regards science, especially biology and physiology, I am not competent to criticize his interpretations. But as regards mathematics, he has deliberately preferred traditional errors in interpretation to the more modern views which have prevailed among mathematicians for the last eighty years. In this matter, he has followed the example of most philosophers. In the eighteenth and the early nineteenth centuries, the infinitesimal calculus, though well developed as a method, was supported, as regards his foundations, by many fallacies and much confused thinking. Hegel and his followers seized upon these fallacies and confusions, to support them in their attempt to prove all mathematics self-contradictory. Thence the Hegelian account of these matters passed into the current thought of philosophers, where it has remained long after the mathematicians have removed all the difficulties upon which the philosophers rely. And so long as the main object of philosophers is to show that nothing can be learned by patience and detailed thinking, but that we ought rather to worship the prejudices of the ignorant under the title or 'reason' if we are Hegelians, or of 'intuition' if we are Bergsonians, so long philosophers will take care to remain ignorant of what mathematicians have done to remove the errors by which Hegel profited.
Henri-Louis Bergson
Turgot, Anne Robert Jacques, Baron de Laune
Turing, Alan
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