The art of architecture #6 simply says: To make sure the success of an entreprise architecture effort one should strive to express the heart of it in a “one liner”.
Others have written about the importance of one liners, not in the common understanding of what EA is but from the stance of strategy. Remember that my stance on EA is an EA focused on strategy where descriptive activities is just one part of the whole effort.
Kenichi Ohmae wrote in his classical work The mind of the strategist, “Inability to articulate a strategy in a single incisive, natural-sounding sentence is a sure sign that there is something wrong in the strategy itself”. More recently W. Chan Kim and Renée Mauborgne wrote in the now famous book Blue Ocean Strategy, “a good way to test the effectiveness and strength of a strategy is to look at whether it contains a strong and authentic tagline”.