New Delhi, May 31 -- Earl Nightingale was a pioneering American radio personality, motivational speaker, author, and co-founder of Nightingale-Conant Corporation. Born on March 12, 1921, in Los Angeles, California, Nightingale grew up in poverty.

He is widely regarded as the "Dean of Personal Development" for his influential work on success, mindset, human character development, and motivation.

The quote, "Wherever there is danger, there lurks opportunity; whenever there is opportunity, there lurks danger. The two are inseparable. They go together."

This reflects a pragmatic, balanced philosophy of life and risk. Nightingale emphasised that danger and opportunity are two sides of the same coin-you rarely get one without the other. In d...