_The Effect of Limited Vision on the Valuation of a Perpetual Income._--This failure of vision, or economic myopia, accounts for the fact that the infinite series of payments of interest that a sum of invested capital will earn do not overbalance, in the man's estimate, the principal which he must refrain from spending in order to get them. If interest is at five per cent, abstaining from using a hundred dollars for present pleasure will put into the man's hands, in twenty years, a sum equal to the principal, in twenty years more another like sum, and so on _ad infinitum_. The man who considers whether he shall save a hundred dollars or spend it might be said to be comparing the importance of a hundred present dollars with that of an infinite number of future ones. In his consciousness the number is not infinite, because his vision does not extend over much of the future. The fact of most importance, as determining whether low interest causes small savings, is that in weighing the importance of the dollars which will be used during the period over which his vision ranges the average man is influenced by a desire to maintain some standard of living, which involves the more saving, the lower the rate of interest. _The Action of the Motive for Saving on Minds of Varying Degrees of Reasonableness._--Not only the man who looks a little way forward, but the man so constituted that he can content himself with a falling standard, is impelled to save more if interest is low than he is if interest is high, so long as he deems it necessary to maintain any standard at all; but much importance still attaches to the question whether the standard which the man hopes to maintain is a rising, a stationary, or a falling one. The average man, indeed, does hope to maintain at least a stationary standard during so much of the future as he cares much about. This mode of distributing pleasures appears in matters both small and great. In taking a walk for pleasure one is more likely to go up a rising grade first and descend afterward than he is to go down at first and afterward bear the fatigue of climbing. While there may be those who would rather play in the forenoon and work in the afternoon, when the choice is presented at the beginning of the day, there are certainly more among the classes that society depends on for capital who would put the work in the forenoon and the pleasure in the afternoon or evening. If a man were taking a canoeing trip on a swiftly flowing stream, he would paddle his boat up the stream and then come down with the current, rather than let it float down with the current and then paddle it back. If it be thought that this is true of only a specially rational mind, one may say that the capitalist class represents men who in this respect are more than ordinarily rational. They are generous, foresighted, and in their relation to descendants affectionate. The men who really do the saving