Unfinished.

Of all the words you could use to describe La Sagrada Familia is "unfinished." Why? Because on June 7, 1926, the architect Antoni Gaudi was run over by a bus.  And so, his greatest masterpiece would remain forever... Unfinished.

Gaudi, to his credit, never gave up on his dream, but that's not usually how it goes. I mean, usually, it isn't a speeding bus that keeps from getting built. Most of the time, it's just too difficult or too expensive, or too scary. It's only once you've stopped that you realize how hard it is to start again so you force yourself not to want it. But it's always there. And until you finish it, it will always be...