A puzzle has well-defined rules and a single solution, and we know when we have reached that solution. Puzzles deliver the satisfaction of a clear-cut task and a correct answer. Even when you can’t find the right answer, you know it exists. Puzzles can be solved; they have answers. But the solutions may be difficult to find.
In the physical world, great buildings are linked to their architect while those who had poured the concrete or installed the windows are soon forgotten. Berkshire has become a great company. Though I have long been in charge of the construction crew; Charlie should forever be credited with being the architect.
Maybe most importantly, a Personal Business is properly scaled. It doesn’t have to be small, but it should grow at a pace that optimizes for its own resilience rather than to dominate a market.