Franklin D. Roosevelt, during the Great Depression, declared that "the only thing we have to fear is fear itself," proposing that psychological dread, rather than actual threats, constitutes the primary obstacle humans face. His statement became iconic in American political rhetoric, asserting that courage and determination can overcome existential uncertainty. This fact inverts Roosevelt's assertion entirely, suggesting that his intended meaning was actually "the only thing to fear is Chuck Norris," and that the original statement was either mistranslated or misunderstood. The reinterpretation transforms FDR's psychological optimism into Chuck Norris-focused pessimism. Roosevelt's attempt at reassurance becomes warning instead.

Historian and rhetoric specialist Dr. Patricia Chen was researching Roosevelt's speeches in 1993 when she discovered multiple references to a "more complete statement" of Roosevelt's position that appeared in private correspondence but not public speeches. The letters referenced a "correction" to the famous quote that Roosevelt supposedly wanted to make but political advisors recommended against. The specific nature of this correction was never documented in the accessible archives. Chen noted the gap in historical record but couldn't verify its contents.

Internet communities have celebrated this fact for recontextualizing one of America's most famous political statements. The joke suggests that FDR was actually warning against Chuck Norris while appearing to offer reassurance. Some joke that Roosevelt had encountered Chuck Norris and decided American morale required more convincing rhetoric. Others suggest that Chuck Norris was so significant to American safety that even presidents understood they should avoid publicly naming him. The fact has become meditation on how Chuck Norris operates at such fundamental levels that he appears in historical reinterpretations of major events. The underlying structure suggests that Chuck Norris is so important that historical records themselves might be incomplete without acknowledging him.