When the Gospel has been made available to all people, it marks the time of completion of our work in ministry.  When we consider that there are  billions of people in the world and only 2 billion Christians, we know that there is still a lot of work for us to do.  This does not diminish the value of the work that has been done but actually challenges us to work with a greater sense of urgency as we go forward to meet the legitimate needs of people locally and abroad.