Columnist Nan Russell shares career insights learned over 20 years in the corporate world, including as a Vice President at QVC

Sometimes the biggest barriers in life are the ones formed within our own minds. Let me give you an example. On May 6, 1954, Roger Banister was the first person in recorded history to run a sub-four minute mile. Doctors had previously said

What can modern entrepreneurs learn from the David and Goliath Story? While the religious aspects are often emphasized, closer examination reveals very sound, concrete reasons for David's victory. In much the same fashion as the bestseller "The Leadership Secrets of Attila the Hun," "Battling The Corporate Giants: The Ultimate David and Goliath Story" takes an ancient tale and applies it to today's business world. Author and entrepreneur, Daniel L. Lowery describes the strategies that David—a mere inexperienced shepherd boy—used to defeat Goliath--a giant, well-armed, veteran warrior. Some of the more important ones are:

Time and again we have heard the story: a small business is doing well then a huge corporation moves in and takes over their trade. Does it have to be this way? Is there some way the little guy can win against their giant adversaries? Daniel L. Lowery, entrepreneur and author of "Battling The Corporate Giants: The Ultimate David and Goliath Story" says the answer is "Yes! Yes! Yes!" He describes in his book some of the corporate world's favorite strategies for eliminating smaller opponents as well as the countermeasures for overcoming them.

There is an ultimate journey in all of us.

The need to set ones own course, and leave a mark on this planet.

A kind of profound epitaph... that… "I did it my way".