Fourth Law of Thermodynamics: If the probability of success is not almost one, then it is damn near zero.
I do believe we have to understand why reality turned out to be different than expectations and estimates. But you have more public service - certainly many of you - than I have ever had, and you recognize that this is not unusual.
As a vessel is known by the sound, whether it be cracked or not; so men are proved, by their speeches, whether they be wise or foolish.