It makes me melancholy to see how like fools some very sensible people act in the matter of choosing wives. they perplex their judgments by a most undue attention to little niceties of personal appearance, habits, disposition, and other trifles which concern nobody but the lady herself. an unhappy gentleman, resolving to wed nothing short of perfection, keeps his heart and hand till both get so old and withered that no tolerable woman will accept them. now this is the very height of the true rule is to ascertain that the match is fundamentally a good one, and then to take it for granted that all minor objections, should there be such, will vanish, if you let them

which sentence best expresses the main idea of the story?