I profess, in the sincerity of my heart, that I have not the least personal interest in 235 endeavoring to promote this necessary work, having no other motive than the public good of my country, by advancing our trade, providing for infants, relieving the poor, and giving some pleasure to the rich.
Swift uses exaggerated claims of sincerity to expose how political figures can disguise harmful or self-interested ideas as moral and public-spirited action. (Green since this passage is framed as a political and economic justification, focusing on “trade,” “public good,” and “relieving the poor.”)