this specific mistake deserves a name because it is so common. As for the reasons why good is not to be considered a natural object, they may be reserved for discussion in another place. But, for the present, it is sufficient to notice this: Even if it were a natural object, that would not alter the nature of the fallacy nor diminish its importance one whit. All that I have said about it would remain quite equally true: only the name which I have called it would not be so appropriate as I think it is. And I do not care about the name: what I do care about is the fallacy. It does not matter what we call it, provided we recognise it when we meet with it. It is to be met with in almost every book on Ethics; and yet it is not recognised: and that is why it is necessary to multiply illustrations of it, and convenient to give it a name. It is a very simple fallacy indeed. When we say that an orange is yellow, we do not think our statement binds us to hold that ‘orange’ means nothing else than ‘yellow,’ or that nothing can be yellow but an orange. Supposing the orange is also sweet! Does that bind us to say that ‘sweet’ is exactly the same thing as ‘yellow,’ that ‘sweet’ must be defined as ‘yellow’? And supposing it be recognised that ‘yellow’ just means ‘yellow’ and nothing else whatever, does that make it any more difficult to hold that oranges are yellow? Most certainly it does not: on the contrary, it would be absolutely meaningless to say that oranges were yellow, unless yellow did in the end mean just ‘yellow’ and nothing else whatever--unless it was absolutely indefinable. We should not get any very clear notion about things, which are yellow--we should not get very far with our science, if we were bound to hold that everything which was yellow, _meant_ exactly the same thing as yellow. We should find we had to hold that an orange was exactly the same thing as a stool, a piece of paper, a lemon, anything you like. We could prove any number of absurdities; but should we be the nearer to the truth? Why, then, should it be different with ‘good’? Why, if good is good and indefinable, should I be held to deny that pleasure is good? Is there any difficulty in holding both to be true at once? On the contrary, there is no meaning in saying that pleasure is good, unless good is something different from pleasure. It is absolutely useless, so far as Ethics is concerned, to prove, as Mr Spencer tries to do, that increase of pleasure coincides with increase of life, unless good _means_ something different from either life or pleasure. He might just as well try to prove that an orange is yellow by shewing that it always is wrapped up in paper.