Bible verses about Catholicity
(From Nave's Topical Bible)

-(Liberality of religious sentiment) -INCULCATED Mark 9:38-41; Luke 9:49, 50; Acts 10:1-48; 11:17, 18; 15:1-31; Romans 1:1-7, 14-16; 3:20-31; 4:1-25; 5:1, 2; Galatians 3:27, 28; Ephesians 2:14-17; Colossians 3:11-15 .See HEATHEN .See STRANGERS -INSTANCES OF .Solomon, in his prayer I Kings 8:41 .Paul, in recognizing devout heathen Acts 13:16, 26, 42, 43 .Peter Acts 10:34, 35 .Rulers of the synagogue at Antioch, permitting the Apostles to preach Acts 13:5