A test we must continue to pass 100% of the time, but need only fail once. Even in the short time since we have developed the capability to annihilate ourselve

A test we must continue to pass 100% of the time, but need only fail once. Even in the short time since we have developed the capability to annihilate ourselves, there have been dozens of accidents, false alarms, and near misses. I am confident that on a long enough time line we will manage to fuck this up.