A long habit of not thinking a thing wrong gives it a superficial appearance of being right

Thomas Paine’s expression, “A long habit of not thinking a thing wrong gives it a superficial appearance of being right,” names the process by which custom disguises injustice as legitimacy. In the introduction, it serves as both a diagnosis of resistance to political criticism and a forecast: inherited habits may provoke an outcry, but that response need not endure.

Habit and the Appearance of Rightness

The sentence distinguishes being right from merely appearing right. The appearance is “superficial”: it comes not from proof that a practice is just, but from the long habit of leaving it unquestioned. Paine makes the failure an active omission—people do not think a thing wrong—so what looks like consent may instead be the effect of familiarity and neglect.

The claim turns custom from a neutral inheritance into a political obstacle. An established practice can acquire the authority of common sense simply because it has lasted. The expression therefore challenges readers to separate the duration of a custom from any genuine justification for it.

The Outcry Against Inquiry

Paine places the expression in an argument about resistance to examining established power. He observes that criticism of custom raises “at first a formidable outcry in defense of custom.” The image makes that defense sound forceful but temporary: people answer inquiry by invoking what they already know, rather than establishing that the contested arrangement is right.

The surrounding introduction gives this abstract claim a specific political application. Paine says that a long and violent abuse of power generally calls its right into question. He points to the King of England supporting Parliament in what the King calls Parliament’s authority, and to the people’s oppression through that combination. Their grievances, he argues, give them an undoubted privilege to inquire into the pretensions of both and to reject the usurpation of either. Habit may explain why authority has looked legitimate; it does not, in his account, cancel the right to scrutinize it.

Time and Persuasion

The sentence leads directly to Paine’s prediction that the tumult will subside: “Time makes more converts than reason.” The movement from habit to outcry to eventual conversion gives the expression its force. Custom first shelters an arrangement from judgment; once inquiry begins, the initial defense can lose its hold, and people may change their minds over time.

The phrasing is pointedly paradoxical. Paine contrasts reason, the expected instrument of argument, with time, which he presents as the more effective maker of converts. Read alongside his account of habit, the contrast suggests that political belief is shaped not only by logical persuasion but also by the accumulated duration of an idea’s acceptance—and by the possibility that this acceptance will eventually change.

Role in the Introduction

The expression opens Paine’s case without making it a personal attack on particular individuals. He says that he has avoided personal compliments and censure, directing attention instead toward public claims and political arrangements. The sentence helps establish why challenging those arrangements may appear improper before it can be considered on its merits.

Its significance lies in the distinction it asks readers to make: familiar is not the same as right, and an outcry against scrutiny is not proof that scrutiny is mistaken. Paine presents the questioning of power as a legitimate response to oppression, while the forecast of changing opinion frames the pamphlet’s argument as a challenge to custom that may, in time, find converts.