ANY a time, care-worn and burdened denizens of earth feel themselves impelled to cry out; Is there a God who cares for us? Is prayer of any avail? Is faith not all a matter of training, of environment, of imagination, of nervous excitement or of mental exaltation? Is there any palpable evidence under the sun all but compelling an affirmative answer to the first questions and a negative to the last? Is there any visible witness to the Divine guidance of the Catholic Church as Jehovah gave to the Jews of old and as Christ gave to men when He walked among them? Is there a voice from Heaven which...