whole is always in proportion to the quantity of pleasure it contains in the special sense in which we have throughout been using this expression—that is to say, as meaning that it is in proportion to the excess of pleasure over pain, in one of the five senses explained in Chapter I. But it is surely very natural to think that it does. And it does follow that we must be wrong in the reasons we gave for disputing this proposition. It does follow that we must be wrong in thinking that by adding such things as knowledge or a sense of beauty to a world which contained a certain amount of pleasure, without adding any more pleasure, we could increase the intrinsic value of that world. If, therefore, we are to dispute the proposition that intrinsic value is always in proportion to quantity of pleasure we must dispute this argument. But the argument may seem to be almost indisputable. It has, in fact, been used as an argument in favour of the proposition that intrinsic value is always in proportion to quantity of pleasure, and I think it has probably had much influence in inducing people to adopt
