After you've been fearless enough to plop down your ABORTIVE ATTEMPT, you are by no means finished.   That's the whole point.  Artists do not create their works whole cloth.*

On the contrary, everyone just gets started, and then they mess with it. They change it.  They throw part of it out.  They paint over it.  They use what's there and keep adding to it.

With each SUCCESSIVE APPROXIMATION, we get closer to something that looks like we meant it to look like all along.

You can read blog posts about SUCCESSIVE APPROXIMATION here.

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* Except for Mozart, and he doesn't count.