"It's a good idea if you're running with someone and just pointing won't do," he says severely. "Pointing is very inexact, ne! You could point and mean 'Look, it's a tiger, watch out!' And they might not see it and think you mean 'go that way!' And then your ally on the run is something's breakfast and you're all alone without a buffer again. And, you know, I can see you've had a lot of practice running, so that person will probably be behind you and really be a buffer. But you also haven't had enough practice, all out of breath like that, ne! Anyway, it's a good idea now, because," he puts pressure on Rincewind's little finger, "I told you to."