7وَإِن تَجهَر بِالقَولِ فَإِنَّهُ يَعلَمُ السِّرَّ وَأَخفَى(Irfan-ul-Quran)And (there is no harm) if, in remembrance and Prayer, you raise (louden your voice). He knows even the secrets (of hearts) and also the most hidden mysteries. (Then how He will not hear the loud supplications!)