> "Any sufficiently complicated model class contains an ad hoc, informally specified, bug-ridden, slow implementation of half of a state machine." (not sure whe

> "Any sufficiently complicated model class contains an ad hoc, informally specified, bug-ridden, slow implementation of half of a state machine." (not sure where I read this quote). Can’t tell you where you read it, of course, but believe it originates from Braithwaite/raganwald: http://raganwald.com/2018/02/23/forde.html http://raganwald.com/2018/02/23/forde.html