Yes, the key point there is that those words aren't random, they're a relatively common sentence. That, incidentally, is a potential weakness in Schneier's own

Yes, the key point there is that those words aren't random, they're a relatively common sentence. That, incidentally, is a potential weakness in Schneier's own system, which is really just a more complicated (and harder-to-remember) version of the "momof3g8kids" type of password.