If your goals is to produce something of permanent value, you start to think differently about you want on the site.

A user interface is well-designed when the program behaves exactly how the user thought it would.

Something is usable if it behaves exactly as expected.

People ridiculously overvalue aesthetics and beauty when evaluating products. It's one of the reasons iPods, and, for that matter, Keanu Reeves, are so successful.

It's harder to read code than to write it.

Good software, like wine, takes time.

If something seems possible, that's probably because someone is already doing it. When something seems that it can't possibly work, nobody tries it. Real innovation happens when someone tries anyway, overlooking an obvious flaw, and finds a way to make an idea work.