Principle vs. Style: On which of these two hills are you willing to die?

In matters of style, flow with the current; in matters of principle, stand like a rock. ~ Thomas Jefferson 

How can a person decide whether or not to have an argument over any topic? Perhaps understanding the difference between "style" and "principle" might give us a clue.

Top 20 Enterprise Architecture Definitions

One of the things that bug me about EA is the many shapes, ways and forms that it can have. You get 100 Enterprise Architects and ask them to define what EA is and you'll get 100^100 responses (give or take a few).