A trip to the mainland was a big event and happened maybe once a year, although now you can get across in a speed boat in seven minutes but then it was a long way away.
The first duty of society is to give each of its members the possibility of fulfilling his destiny. When it becomes incapable of performing this duty it must be transformed.
The restriction of religion to private life therefore does not necessarily threaten the vital interests of the majority religion, if there is one, and it protects minority religions from tyranny of the majority.

