Earlier quoted context omitted.
If we've come to the point where you're fleeing the country from Nazis with only what you can carry in your hand, the only thing that's going to be sustainable is investment in _yourself_ through massive education. That way you're up and working and earning from the moment you're safely away.
Since we are talking Sci-Fi scenarios... It makes a lot of sense to try and carry as much value with you as possible. Conditions during the course of your escape are likely to be difficult and the ability to pay for thing (=bribe your way out of trouble) is likely to be much more useful than knowledge of advanced mathematics or Python minutea. (Of course, the most useful way to carry value in an escape scenario is ge…
Buy a diamond today and sell it tomorrow, and you'll make a loss of 30% or more.