do we find a contradiction between religion and natural science, On the contrary, we find a com- plete concordance in the very points of decisive importance. Religion and natural science do not exclude each other, as many contemporaries of ours would believe or fear; they mutually supple- ment and condition each other, The most imme- diate proof of the compatibility of religion and natural science, even under the most thorough critical scrutiny, is the historic fact that the very greatest natural scientists of all times—men such as Kepler, Newton, Leibniz—were permeated by a most profound religious attitude. At the dawn of our own era of civilization, the practitioners ce were the custodians of religion at the same time, The oldest of all the applied natural sciences, medicine, was in the hands of the priests, and in the Middle Ages scientific re- search was still carried on principally in monas- teries, Later, as civilization continued to advance and to branch out, the parting of the ways became always more pronounced, corresponding to the different nature of the tasks and pursuits of re- jon and those of natural science. For the proper attitude to questions in ethics