The Letter Qaf 50:39. Juz 26, page 520.
فَٱصْبِرْ عَلَىٰ مَا يَقُولُونَ وَسَبِّحْ بِحَمْدِ رَبِّكَ قَبْلَ طُلُوعِ ٱلشَّمْسِ وَقَبْلَ ٱلْغُرُوبِ٣٩Therefor (O Muhammad) bear with what they say, and hymn the praise of thy Lord before the rising and before the setting of the sun;
Qaf 50:39, translated by Marmaduke Pickthall