can no more be gained from a purely rational cognition than can a general Weltanschauung ever replace specific knowledge and ability. But the two roads do not diverge; they run parallel to each other, and they intersect at an endlessly re- moved common goal. There is no better way to comprehend this properly than to continue one’s efforts to obtain a progressively more profound insight into the na- ture and problems of the natural sciences, on one hand, and of religious faith on the other. It will then appear with ever increasing clarity that even though the methods are different—for science ‘operates predominantly with the intellect, re- ligion predominantly with sentiment—the sig- nificance of the work and the direction of prog- ress are nonetheless absolutely identical. Religion and natural science are fighting a joint battle in an incessant, never relaxing cru- sade against scepticism and against dogmatism, against disbelief and against superstition, and the rallying cry in this crusade has always been, and always will be: “On to God!”