St. Seraphim of Sofia discusses an important aspect of the Ecumenical Movement in the 20th century: Freemasonry. Presenting to the Moscow Pan-Orthodox Congress of 1948, which included representatives from nearly all autocephalous Orthodox churches, St. Seraphim highlights the well-known Freemason, John Raleigh Mott, the main promoter of "unity" among separate Christian groups. Mott spearheaded the 1910 World Missionary Conference in Edinburgh and the first meeting of the World Council of Churches in 1948. Mott helped send Protestant student missionaries with the YMCA to evangelize Orthodox countries and for his ecumenical efforts won the Nobel Peace Prize in 1946. St. Seraphim understands that ecumenical efforts only serve to blur the boundaries between the One, Holy, Catholic, and Apostolic Church (the Orthodox Church) and other sects claiming to be part of the Church. Such blurring draws people away from the only place, as St. Seraphim teaches, men can become saints: the Orthodox Church. Unfortunately, despite St. Seraphim's warning of the sinister nature and dreadful consequences of the Ecumenical Movement for Holy Orthodoxy, the Patriarchate of Moscow joined the World Council of Churches at its Third Assembly in New Delhi in 1961 and has been one of its most active members ever since.