From the starting point of '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.', does 'There is only one basic form of pleasure.' follow as a logical conclusion?
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.