All such preparation will move us to witness effectively “with a demonstration of spirit and power ” from the Word of God. ​ — 1 Cor.
وَٱسْتِعْدَادُكَ ٱلشَّامِلُ هٰذَا يُجَهِّزُكَ لِتَشْهَدَ « بِتَجَلٍّ لِرُوحِ ٱللهِ وَقُدْرَتِهِ » مِنْ خِلَالِ ٱلْكِتَابِ ٱلْمُقَدَّسِ .‏ —‏ ١ كو ٢ :‏ ٤‏ .‏