Beautiful quotations. Unfortunately habits and languages are what divided us most. We can not deny that fact. Therefore humanity always tried and still does to find at least a common auxiliary language. Esperanto as the most successful attempt is not yet accepted worldwide. However what seems to be a working Lingua franca- English - doesn't serve as a real communication tool. Native speakers always have an advantage...
RE: Differences of habit and language are nothing at all if our aims are identical and our hearts are open.