All 654 pieces of this puzzle are silver. The design starts in the middle and circles out.
Persisting can be really, really hard. It can also be really satisfying. This puzzle was both. “Oh, my G!! Who invented this thing?” And, “wait, I see a pattern!” Persistence is so often necessary.
For the record, there are times when it doesn’t make sense to persist. Ditch the soul-sucking job, walk away from the toxic relationship, quit perfection. Persistence is great when you are on a path you want to complete.
When you are on a rewarding path, there are many ways to persist.