It's only once you've stopped, that realize how hard it is to start again

Unfinished.

Gaudi to his credit, never gave up on his dream.

But that's not usually how it goes.

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 difficult...

or too expensive or too scary.

It's only once you've stopped, that realize how hard it is to start again.

So you drove yourself not to want it.

But it's always there.

And until you finished it, it will always be...

<How I Met Your Mother, s6ep3, Ted>