Reason’s function is to embody the good, but the test of excellence is itself ideal; therefore before we can assure ourselves that reason has been manifested in any given case we must make out the reasonableness of the ideal that inspires us. And in general, before we can convince ourselves that a Life of Reason, or practice guided by science and directed toward spiritual goods, is at all worth having, we must make out the possibility and character of its ultimate end. Yet each ideal is its own justification; so that the only sense in which an ultimate end can be established and become a test of general progress is this: that a harmony and co-operation of impulses should be conceived, leading to the maximum satisfaction possible in the whole community of spirits affected by our action. Now, without considering for the present any concrete Utopia, such, for instance, as Plato’s Republic or the heavenly beatitude described by theologians, we may inquire what formal qualities are imposed on the ideal by its nature and function
