And from the Hebrew Scriptures, they knew about the holy spirit, God’s active force used during creation and thereafter. But they needed something more.
فَقَدْ كَانَ مِنَ ٱلضَّرُورِيِّ أَنْ يُدْرِكُوا أَنَّ ٱلْمَسِيَّا (‏ يَسُوعَ )‏ هُوَ وَسِيلَةُ ٱللهِ لِلْخَلَاصِ وَأَنْ يَعْتَرِفُوا بِهِ .‏