الاسراۤء — Al-Isra' Ayat 110
قُلِ ادْعُوا اللّٰهَ اَوِ ادْعُوا الرَّحْمٰنَۗ اَيًّا مَّا تَدْعُوْا فَلَهُ الْاَسْمَاۤءُ الْحُسْنٰىۚ وَلَا تَجْهَرْ بِصَلَاتِكَ وَلَا تُخَافِتْ بِهَا وَابْتَغِ بَيْنَ ذٰلِكَ سَبِيْلًا
Qulid‘ullāha awid‘ur-raḥmān(a), ayyam mā tad‘ū fa lahul-asmā'ul-ḥusnā, wa lā tajhar biṣalātika wa lā tukhāfit bihā wabtagi baina żālika sabīlā(n).
"Say, "Call upon Allah or call upon the Most Merciful. Whichever [name] you call - to Him belong the best names." And do not recite [too] loudly in your prayer or [too] quietly but seek between that an [intermediate] way."