During that twenty years whilst Hahnemann was brooding over his hallucination, the true science of medicine was making rapid advances, and every year and every month witnessed important discoveries and improvements. Hahnemann, riveted to his vision of infinitesimals, looked with painful chagrin upon his pitiful success, and resolved to shake off the dust of his feet and abandon his own country in hopeless disgust. France was chosen as his place of refuge; and accordingly, about the year 1820, he bade a final farewell to the land of his nativity, the graves of his ancestors and his own Alma Mater, and took up his abode in Paris. Here he found a more congenial field. This versatile and enthusiastic people have ever been ready for a change—ever ready to give up whatever is old for anything that is new. Celebrated as they are the world over for their chivalry and prowess, they are nevertheless the most unstable of all people. Their civil, religious and social institutions are always either changing or preparing to change. At the time of Hahnemann's debut in Paris, France seemed to be enjoying a moment of calm
