To grasp the import of that truth, we need to know about the Jewish Passover and to consider it in the light of a command given to all Christians. 3, 4.
يَمْتَلِكُ مِئَاتُ ٱلْمَلَايِينِ مِنْ غَيْرِ ٱلْيَهُودِ حَوْلَ ٱلْأَرْضِ بَعْضَ ٱلْمَعْرِفَةِ عَنِ ٱلْحَادِثَةِ ٱلَّتِي سَبَقَتِ ٱلْفِصْحَ ٱلْأَوَّلَ .‏