Quote of the day, July 29 -- "Most people fail in life not because they aim too high and miss, but because they aim too low and hit," by Les Brown.

The above quote is widely attributed to motivational speaker Les Brown, who built his career by encouraging people to overcome self-doubt and pursue their lives with full potential. While it is not known exactly when and where Brown first said these words, the quote is often used in regard to his popular speeches and books. It revolves around the main main theme-- our greatest obstacle is often not a lack of talent or opportunity, but the tendency to underestimate ourselves.

Here, Brown's thoughts are challenging the common belief that failure comes from setting unrealistic goals. But he arg...