In distinction to many other expressions of Christianity, and many other religions as well, Quakerism is non-creedal; that is, we don't have a particular set of belief-statements that one must accept in order to be a Quaker. This is confusing for some newcomers, liberating for others. But even for the latter group, the time comes when you begin to wonder: is there any more spiritual substance to Quakerism than 'practise…