All You Need In This Life Is Ignorance and Confidence; Then Success Is Sure

Mark Twain? Benjamin De Casseres? Richard Grant White? Mary Hallock Foote? Cordelia Foote? Apocryphal? Dear Quote Investigator: Mark Twain once joked that the key to success was a combination of ignorance and confidence. I do not know the precise phrasing. Would you please help me to find the exact quotation and a citation? Quote Investigator: …

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