I occasionally think how quickly hard differences worldwide would vanish if we were facing an alien threat between outside this world.
 If we were facing an alien threat between outside this world.
 An alien threat 
 Between outside this world.
 We often forget how much unites all members of humanity. Perhaps we need some outside universal threat to make us recognize this common bond.   I occasionally think how quickly hard differences worldwide would vanish if we were facing an alien threat between outside this world this world this world this world......
 I occasionally think how quickly hard differences worldwide would vanish if we were facing an alien threat between outside this world.
 We often forget how much unites all members of humanity. Perhaps we need some outside universal threat to make us recognize this common bond.  I occasionally think how quickly hard differences worldwide would vanish if we were facing an alien threat between outside this world.
 Between outside this world.
 Between outside this world.