pelled by a power not one's own, were written at differ-

ent dates, and as the occasion required. They sprang

from necessity, the logic of events,—from the immedi- [15]

ate demand for them as a help that must be supplied to

maintain the dignity and defense of our Cause; hence

their simple, scientific basis, and detail so requisite to

demonstrate genuine Christian Science, and which will

do for the race what absolute doctrines destined for future [20]

generations might not accomplish.