Page:A Brief History of Modern Philosophy.djvu/119

 hand of God. Thus, e. g. every sensation by natural suggestion gives rise to the belief in an external object, as also in an ego as the subject of the sensation. In this way the causal instinct also leads us to the presupposition that the combinations of phenomena which we have perceived will likewise take place in the same way in the future. We likewise have such intuitive evidence in the sphere of morals; we judge a given act good, another evil, intuitively and spontaneously.—Reid overlooked the fact that Hume had expressly recognized common sense; but Hume discovered a profound problem in case one should wish to investigate the foundation of common sense. Kant afterwards remarked very pertinently, that instead of making use of common sense as authority, it should rather be used in refutation of objections.