Surah Al-Baqarah 2:67

وَإِذْ قَالَ مُوسَىٰ لِقَوْمِهِۦٓ إِنَّ ٱللَّهَ يَأْمُرُكُمْ أَن تَذْبَحُوا۟ بَقَرَةً ۖ قَالُوٓا۟ أَتَتَّخِذُنَا هُزُوًا ۖ قَالَ أَعُوذُ بِٱللَّهِ أَنْ أَكُونَ مِنَ ٱلْجَـٰهِلِينَ

And [recall] when Moses said to his people, "Indeed, Allāh commands you to slaughter a cow." They said, "Do you take us in ridicule?" He said, "I seek refuge in Allāh from being among the ignorant."

Translation: Saheeh International

Tafsir

And mention when Moses said to his people when one among them was killed and the killer was not known and so they asked Moses to pray to God to reveal the killer which he did; ‘God commands you to sacrifice a cow’. …

Excerpt from Tafsir al-Jalalayn, commentary on 2:67, via Quran.com. The reader has the full commentary and 9 more tafsirs.