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 the brown, pointy, weird church from getting built.
Most of the time it's just too diffcult, too expensive, or too scary. it's only once you've stopped, that you realized 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......