He is the One who places contentment into the hearts of believers to augment more faith, in addition to their faith. To God belongs all forces of the heavens and the earth. God is Omniscient, Most Wise.
هُوَ الَّذى أَنزَلَ السَّكينَةَ فى قُلوبِ المُؤمِنينَ لِيَزدادوا إيمٰنًا مَعَ إيمٰنِهِم وَلِلَّهِ جُنودُ السَّمٰوٰتِ وَالأَرضِ وَكانَ اللَّهُ عَليمًا حَكيمًا
huwal lazeee anzalas sakeenata fee quloobil mu’mineena liyazdaadooo eemaanamma’a eemaanihim; wa lillaahi junoodus samawaati wal ard; wa kaanal laahu ‘Aleeman Hakeemaa