p.11 We habitually underestimate the effects of randomness.
p.147 your mother-in-law yells, "Look out for that moose!" [JLJ - this is my web page... I can have fun if I want to...]
p.204 in complex systems (among which I count our lives) we should expect that minor factors we can usually ignore will by chance sometimes cause major incidents.
p.204 one can bet on the fact that... accidents eventually occur. Called normal accident theory, Perrow's doctrine describes how... accidents can occur without clear causes, without... glaring errors... But although normal accident theory is a theory of why, inevitably things sometimes go wrong, it could also be flipped around to explain why, inevitably, they sometimes go right.