'There is of course the question of public safety,' said Vetinari. 'Did I hear you say earlier you have blown up... "one or three" I think was the phrase?"
'I made those explode a-purpose, to see exactly how it 'appened. That's the way to get knowledge, you see, sir.'
Raising Steam, Terry Pratchett
Regarding the first steam engine in Pratchett's fictional world.
Relevant is the Amtal Rule on this same page: http://lesswrong.com/r/lesswrong/lw/jzn/rationality_quotes_april_2014/as28
Another month has passed and here is a new rationality quotes thread. The usual rules are:
And one new rule: