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When you know the rules, you are confident. When you are confident, you can improvise to be more virtuosic, to achieve the goal, and to enjoy that improvisation along the way.
It's like in jazz - where the standard is the basis for brilliant improvisation. When I was writing my first manual, Delicious Small Talk Topics, my business background had already consisted of attending, organising and covering social events for five years. Ten years later, other positions and areas of my career, from old-school business mastodons to new-wave representatives in technology, I can say for sure: a lot depends on the context, but the basics are unshakable.