That is to say, if they were good 'absolutely,' irrespectively of limiting conditions. If pleasure were 'absolutely' and 'ordinarily' one thing with goodness, the more pleasure one got, the better would he be for it; and the most pleasant pleasure would be the best pleasure. Pressed by this argument, some utilitarians, e.g., J. S. Mill, have admitted a difference of kind, or quality, in pleasures, a concession fatal to hedonism, and thereby ultimately to utilitarianism.

Of God and His Creatures: 3.27