The question of boundaries is a major question of the Jewish people because the Jews are the great experts of crossing boundaries. They have a sense of identity inside themselves that doesn't permit them to cross boundaries with other people.
English is necessary as at present original works of science are in English. I believe that in two decades times original works of science will start coming out in our languages. Then we can move over like the Japanese.
Why are we, as a nation so obsessed with foreign things? Is it a legacy of our colonial years? We want foreign television sets. We want foreign shirts. We want foreign technology. Why this obsession with everything imported?