Surah Al-Isra Verse 79 - English Translation by Muhammad Mahmoud Ghali
Surah Al-Israوَمِنَ ٱلَّيۡلِ فَتَهَجَّدۡ بِهِۦ نَافِلَةٗ لَّكَ عَسَىٰٓ أَن يَبۡعَثَكَ رَبُّكَ مَقَامٗا مَّحۡمُودٗا
And keep constant vigil with it (The Qur'an) (part) of the night (These are the late night supererogatory prayers) as an accordance for you; it may be that your Lord will make you rise again to a praised station