Abstract
The need for objective standards of judgement is acutely felt in the bewilderment created by the world situation of our time, a bewilderment that is partly the result of the rapid advance of the natural sciences, with its profound effects upon metaphysical doctrines, religious beliefs and moral attitudes, and partly due to the intractable problems which have arisen in social and political fields. The progress of the sciences, while it seems to have given us secure knowledge of the world about us, has, at the same time, undermined confidence in the criteria of belief and judgement in the conduct of affairs which hitherto had served to guide mankind. Bereft of these the majority of men are unable to see a clear way through the complexities of modern political and economic life and are overwhelmed by the major problems that confront them. As examples of the major perplexities with which mankind is faced today, I shall mention only three:—