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Introduction
5

fined, cannot possibly come into conflict. This attempt at separation, as it is hoped the following pages may show, is open to objections of the most serious kind. But what must now be observed is that even if the separation is justifiable it cannot be effected without effort; the removal of the problem of religion and science itself constitutes a problem. For, rightly or wrongly, religion during the centuries has as a matter of fact connected itself with a host of convictions, especially in the sphere of history, which may form the subject of scientific investigation; just as scientific investigators, on the other hand, have sometimes attached themselves, again rightly or wrongly, to conclusions which impinge upon the innermost domain of philosophy and of religion. For example, if any simple Christian of one hundred years ago, or even of to-day, were asked what would become of his religion if history should prove indubitably that no man called Jesus ever lived and died in the first century of our era, he would undoubtedly answer that his religion would fall away. Yet the investigation of events in the first century in Judæa, just as much as in Italy or in Greece, belongs to the sphere of scientific history. In other words, our simple Christian, whether rightly or wrongly, whether wisely or unwisely, has as a matter of fact connected his religion, in a way that to him seems indissoluble, with convictions about which science also has a right to speak. If, then, those convictions, ostensibly religious, which belong to the sphere of science, are not really religious at all, the demonstration of that fact is itself no trifling task. Even if the problem of science and religion reduces itself to the problem of disentangling religion from pseudo-scientific accretions, the seriousness of the problem is not thereby diminished. From every point of view, therefore, the problem in question is the most serious con-