It’s morally wrong to allow a sucker to keep his money.

In Fields’s comic persona—an irascible con man and chronic schemer—the line is a deliberately inverted moral claim. It satirizes predatory salesmanship and the cynical logic of grift: the victim is reframed as deserving, and exploitation is recast as a kind of public service. The humor depends on brazen candor and on the audience’s awareness that the speaker is ethically bankrupt. As a quotation, it endures because it compresses a whole worldview of hustle culture and sharp practice into a mock-ethical aphorism, exposing how easily “morality” can be rhetorically twisted to justify self-interest.