‘ The diameter divides into the circumference, you know. It ought to be three times. You'd think so, wouldn't you? But does it? No. Three point one four one and lots of other figures. There's no end to the buggers. Do you know how pissed off that makes me?’ ‘I expect it makes you extremely pissed off,’ said Teppic politely. ‘Right. It tells me that the Creator used the wrong kind of circles. It's not even a proper number! I mean, three point five, you could respect. Or three point three. That'd look right.’

— Pyramids. by Terry Pratchett (Discworld -- 7) (Page 269)