Surah Al-Araf Verse 142 - English Translation by George Sale
Surah Al-Araf۞وَوَٰعَدۡنَا مُوسَىٰ ثَلَٰثِينَ لَيۡلَةٗ وَأَتۡمَمۡنَٰهَا بِعَشۡرٖ فَتَمَّ مِيقَٰتُ رَبِّهِۦٓ أَرۡبَعِينَ لَيۡلَةٗۚ وَقَالَ مُوسَىٰ لِأَخِيهِ هَٰرُونَ ٱخۡلُفۡنِي فِي قَوۡمِي وَأَصۡلِحۡ وَلَا تَتَّبِعۡ سَبِيلَ ٱلۡمُفۡسِدِينَ
And We made Moses a promise of thirty nights and supplemented them with ten. Thus the period appointed by his Lord was completed -- forty nights. And Moses said to his brother, Aaron, 'Take my place amongst my people in my absence, and manage them well and follow not the way of the mischief-makers