Is there an absence of a logical link between 'But there are two kinds of  the pleasure of doing, and the pleasure of not doing; the pleasure of indulging, and the pleasure of abstinence.' and 'There is only one basic form of pleasure.'
But there are two kinds of  the pleasure of doing, and the pleasure of not doing; the pleasure of indulging, and the pleasure of abstinence.###There is only one basic form of pleasure.