Surah 7

Surah 7:142

"And We appointed for Moses (a period of) thirty night(s), and We completed them with ten (more), so the meeting with his Lord was completed in forty night(s). And Moses said to his brother Aaron, ‘Be my successor among my people, and set (things) right, and do not follow the way of the fomenters of corruption.’"
Tafsir Ibn Kathir Verses 7:142
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Verse 142

۞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 appointed for Moses (a period of) thirty night(s), and We completed them with ten (more), so the meeting with his Lord was completed in forty night(s). And Moses said to his brother Aaron, ‘Be my successor among my people, and set (things) right, and do not follow the way of the fomenters of corruption.’

sent to them by speaking directly to Musa and revealing the Tawrah to him. In it, was their law and the details of their legislation. Allah stated here that He appointed thirty nights for Musa. The scholars of Tafsir said that Musa fasted this period, and when they ended, Musa cleaned his teeth with a twig. Allah commanded him to complete the term adding ten more days, making the total forty. When the appointed term finished, Musa was about to return to Mount Tur, as Allah said, {[O Children of Israel! We delivered you from your enemy, and We made a covenant with you on the right side of the Mount]}(quran/20/80). Musa left his brother Harun with the Children of Israel and commanded him to use wisdom and refrain from mischief. This was only a reminder, for Harun was an honorable and noble Prophet who had grace and exalted standard with Allah, may Allah’s peace and blessings be upon him and the rest of the Prophets.

— from Tafsir Ibn Kathir (Vol. 4)

About this Source & Scholarly Authority (Tafsir Ibn Kathir)

Universal Sunni Consensus: Tafsir al-Qur'an al-Azim by Hafiz Ibn Kathir (701–774 AH / 1301–1373 AD) is universally regarded across all major schools of Sunni Islam (traditional, Salafi, Ash'ari) as the most authoritative classical exegesis. It is prized because it relies on Tafsir bil-Ma'thur—interpreting the Quran using the Quran itself, authentic Hadiths of Prophet Muhammad, and recorded statements of the early Companions (Sahabah).

Standard English Edition: This text is from the standard 10-volume English abridgment published by Dar-us-Salam Publications (supervised by Shaykh Safiur-Rahman Al-Mubarakpuri), which is the official, most widely distributed English Quranic commentary in mosques and Islamic libraries worldwide today.