To call on God’s name involves becoming acquainted with Jehovah as a Person. Jesus Christ disclosed to his disciples this vital knowledge.
(‏ رو ١٠ :‏ ١٣‏ )‏ وَٱلدُّعَاءُ بِٱسْمِ ٱللهِ يَتَطَلَّبُ مَعْرِفَةَ يَهْوَهَ وَصِفَاتِهِ .‏