"I don't know the key to success, but the key to failure is trying to please everybody."
— Key

January 1, 1970

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Added on April 10, 2026
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Original Language: English

Sources

Anonymous; this is often misattributed to Bill Cosby, who actually cites this as a sound advice he once read elsewhere, in "Dr. Bill Cosby" in Ebony, Vol. 32, No. 8 (June 1977), p. 136