Surah Fusilat (The Verses Prefectly Explained), Verse 38

فَاِنِ اسْتَكْبَرُوْا فَالَّذِیْنَ عِنْدَ رَبِّكَ یُسَبِّحُوْنَ لَهٗ بِالَّیْلِ وَالنَّهَارِ وَهُمْ لَا یَسْـَٔمُوْنَ ۟

Fa inis-takbaroo fallazee na 'inda Rabbika yusabbihoona lahoo billaili wannnahaari wa hum laa yas'amoon

“But is the (Unbelievers) are arrogant, (no matter): for in the presence of thy Lord are those who celebrate His praises by night and by day. And they never flag (nor feel themselves above it).”

Quran 41:38 (Yusuf Ali Translation)