"Stop Throwing Yourself Off-Balance - 5 Factors to be Mindful of When Making Business Decisions" by Valeh Nazemoff, www.huffingtonpost.com. January 11, 2016.
H. Jackson Brown Jr. (2007). “Complete Life's Little Instruction Book: 1,560 Suggestions, Observations, and Reminders on How to Live a Happy and Rewarding Life”, p.246, Thomas Nelson Inc