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Ralph Ellison Quote: “I blundered into writing.”

Stockfish says I blundered twice by sacrificing my rook and knight for a queen? - Chess Forums

Someone has blundered;: Calamities of the British Army in the Victorian Age - Judd, Denis: 9780213164430 - AbeBooks

ArtStation - Betrayed Baron's Blundered Box O' Beans

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Not Your Father's Oldsmobile: Employee Benefits Lessons From A Blundered Marketing Campaign, Eric Rioux

How the Homo sapiens blundered

World War I: How Germany Blundered into book by Matthieu Santerre

A failure is a man who has blundered, but is not able to cash in

We've all blundered at one time or another.