When we speak of the "fire of God,” we are speaking of the fire of Pentecost which in the first outpouring of the Holy Spirit was actually visually demonstrated:
Kung ating pinaguusapan ang “apoy Ng Dios,” ang tinutukoy natin ay ang apoy ng Pentecostes kung saan ang unang pagbuhos ng Espiritu Santo ay aktuwal na ipinakita: