The book is a series of independent demonstrations, the results of which accumulate to the final conclusion, that the Christian religion is necessarily the only religion possible to meet the spiritual wants of mankind. In arriving at this conclusion, the different arts and processes of revealed religion are examined, and their adaptedness to perform their several functions in elevating, purifying, and actuating the human soul to benevolent effort, is determined, and, finally, the practical operation of the system is shown, as a matter of undeniable experience, to produce the complete and necessary result required. . . . As four is contained in twelve three times, and as twelve is the only...