In the fullness of time, they say, their labours are likely to add not just to the wisdom of mankind but also to their own country's economic well-being.
This nicely links Mr Deutsch's ideas about explanations having infinite reach, which in turn suggests that mankind is only just at the beginning of an almost everlasting journey of creating explanations of the world.
Example: Shoppers browsing Calvin Klein jeans will see traditional waist sizes with inseams in inches, such as 12 x 32, while browsing 7 For All Mankind jeans turns up just a single number, i.e.