Terry Heaton, someone I admire hugely and care about a great deal, says:
[C]reative concepts already exist in a place available to everybody, and as such, nobody really "owns" the ones that they find. Richard Adams called this "The Unbroken Web," and he used it to explain why the same ancient stories popped up at roughly the same time in various places around the planet.
I love this idea. Maybe I'm not just searching for 'my' vein of gold, but for a vein of gold we can all access. If the same vein of gold that served Da Vinci and Gwendolyn Brooks is also there for me...Well, now. Possibilities really are endless.