This would only come if you have a revolutionary change in technology like the jet brought about.
I would like to mention that I have flown the 262 first in May '43. At this...
If we had had the right technology back then you would have seen Eva Braun...
If we must not act save on a certainty we ought not to act on religion for it is not certain. But how many things we do on an uncertainty sea voyages battles!