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

Beware of Methodologies. They are a great way to bring everyone up to a dismal, but passable, level of performance, but at the same time, they are aggravating to more talented people who chafe at the restrictions that are placed on them.

The secret of Big Macs is that they're not very good, but every one is not very good in exactly the same way.

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.