The only good of man is the pure existence of the soul, which in itself, apart from the contagion of the body, is perfectly free from error or defect; if only it can be restored to the untrammelled activity of its original being, nothing external, nothing bodily, can positively impair its perfect welfare.
Milan and Piedmont were comparatively well governed; but repugnance to Austrian rule in the former case, and the contagion of French Jacobinical opinions in the latter, brought those populations into increasing hostility to the rulers.
The Jews were thrust into a position of isolation, and the Code of Theodosius and other authorities characterize the Jews as a lower order of depraved beings (inferiores and perversi), their community as a godless, dangerous sect (secta nefaria, feralis), their religion a superstition, their assemblies for religious worship a blasphemy (sacrilegi coetus) and a contagion (Scherer, op. cit.
The questions naturally suggest themselves - Are the reappearances due to a revival of the contagion derived from previous outbreaks in the same place, or to some favouring condition which the place offers for the development of infection derived from some other quarter; and have favouring conditions any dependence upon the character and state of the soil?
In 1822, he left Erlangen - where he subsequently complained that the contagion of the "greatest philosopher and metaphysician of the century" (Schelling), in a period "rich in words and ideas, but poor in true knowledge and genuine studies," had cost him two precious years of his life - and by the liberality of Louis I., grand-duke of Hesse-Darmstadt, was enabled to go to Paris.