The                                          The                                        The                                                The                                             The                                           The                                           The                                            The

Letter XIII ON a first survey, nothing appears more opposed than these two impulsions; one having for its object change, the other immutability, and yet it is these two notions that exhaust the notion of humanity, and a third fundamental impulsion, holding a medium between them, is quite inconceivable. How then shall we re-establish the unity of human nature, a unity that appears completely destroyed by this primitive and radical opposition? I admit these two tendencies are c

Letter XII THIS twofold labour or task, which consists in making the necessary pass into reality in usand in making out of us reality subject to the law of necessity, is urged upon us as a duty by two opposing forces, which are justly styled impulsions or instincts, because they impel us to realise their object. The first of these impulsions, which I shall call the sensuous instinct, issues from the physical existence of man, or from sensuous nature; and it is this instinct

Letter XI If abstraction rises to as great an elevation as possible, it arrives at two primary ideas, before which it is obliged to stop and to recognise its limits. It distinguishes in man something that continues, and something that changes incessantly. That which continues it names his person; that which changes his position, his condition. The person and the condition, I and my determinations, which we represent as one and the same thing in the necessary being, are eterna