Earl Nightingale Quotes - Page 6
Earl Nightingale (1969). “This is Earl Nightingale”, Doubleday Books
You'll find boredom where there is the absence of a good idea.
Dr. Robert C. Worstell, Dorothea Brande, Claude M. Bristol, Earl Nightingale, Napoleon Hill (2017). “Mindset StackingTM Inspirational Journal VolumeSS01”, p.16, Lulu.com
Robert C. Worstell, Earl Nightingale “How to Change Your Life in 30 Seconds - Compleat”, Lulu.com
Robert C. Worstell, Earl Nightingale “How to Completely Change Your Life in 30 Seconds - Part III”, Lulu.com