Quran

 2:238

حَافِظُوا عَلَى الصَّلَوَاتِ وَالصَّلَاةِ الْوُسْطَىٰ وَقُومُوا لِلَّهِ قَانِتِينَ ﴿٢٣٨﴾

238. Guard your prayers, and the middle prayer, and stand before Allah in devotion.