When did the congregation of God begin to be formed? When did this “people for special possession ” begin to be formed into the Christian congregation?
فَقَبْلَ سَنَةٍ تَقْرِيبًا مِنْ مَوْتِهِ ،‏ قَالَ لِأَحَدِ رُسُلِهِ :‏ « أَنْتَ بُطْرُسُ ،‏ وَعَلَى هٰذَا ٱلصَّخْرِ سَأَبْنِي جَمَاعَتِي ،‏ وَأَبْوَابُ هَادِسَ لَنْ تَقْوَى عَلَيْهَا » .‏