When in doubt, mumble.

James H. Boren was known for wry, aphoristic advice about politics and public life, often emphasizing how uncertainty and incomplete information shape decision-making. “When in doubt, mumble” is typically cited as a sardonic maxim about how officials, spokespeople, or leaders sometimes respond when they do not know the answer or do not want to commit themselves. The line circulates in collections of political humor and quotations as a capsule summary of evasive rhetoric—suggesting a tactic of speaking indistinctly to avoid being pinned down, buying time, or minimizing accountability when clarity would be risky.

The quote satirizes a common survival strategy in politics and bureaucracy: when certainty is lacking, ambiguity can be safer than candor. “Mumble” implies not merely speaking softly, but producing language that sounds like an answer while withholding a definite position. The humor lies in its blunt admission of a practice usually disguised as “careful wording” or “measured statements.” Read more broadly, it critiques incentives that reward the appearance of competence over truthfulness, and it warns listeners to be skeptical of vague, noncommittal speech—especially from people whose authority depends on seeming confident.