It appears that there are enormous differences of opinion as to the probability of a failure with loss of vehicle and of human life. The estimates range from roughly 1 in 100 to 1 in 100,000. The higher figures come from the working engineers, and the very low figures from management.
Richard P. FeynmanI couldn't claim that I was smarter than sixty-five other guys--but the average of sixty-five other guys, certainly!
Richard P. FeynmanWe have this terrible struggle to try to explain things to people who have no reason to want to know.
Richard P. FeynmanThereโs so much distance between the fundamental rules and the final phenomenon, that itโs almost unbelievable that the final variety of phenomenon can come from such a steady operation of such simple rules.
Richard P. FeynmanWe find that the statements of science are not of what is true and what is not true, but statements of what is known with different degrees of certainty: "It is very much more likely that so and so is true than that it is not true".
Richard P. Feynman