Well, if anticipating that some may be a bit slow..
there's always this [image|/forums/images/warning.png|0|This is sarcasm...]
..but it's a bit like imagining a need for a disclaimer ~
CAUTION! you may have to think about this, for a few seconds ... after ... reading - and we wouldn't want you to have to waste that time (as, on the posts where it isn't actually necessary) er, cha ch