earl nightingale quotes

Earl Nightingale Quotes

Earl Nightingale was an American motivational speaker and author. He was best known for his work in the late 1950s and early 1960s as a co-founder, along with his then-wife, LeAnn, of the Nightingale-Conant Corporation, one of the first and largest producers of personal development and self-improvement audio programs. During the 1950s and 1960s, Nightingale […]

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