10 fitting that Europeans make some financial contribution, especially because We alone are not able to manage the vast cost of such an enterprise. It is the mark of Christians to cherish all mankind as brothers wherever they are, and to exclude no one from their love, particularly in matters upon which the eternal salvation of their neighbour depends. We, therefore, earnestly request that you will fully support our undertaking. Be sure that the role of Christianity in such remote regions becomes well known. Make your people understand that something must be done for the Hindus. May they who believe that works of mercy are the most perfect investment especially realize this need.
Source: Ad Extremas (Vatican.va)