Surah Hud 11:47

قَالَ رَبِّ إِنِّىٓ أَعُوذُ بِكَ أَنْ أَسْـَٔلَكَ مَا لَيْسَ لِى بِهِۦ عِلْمٌ ۖ وَإِلَّا تَغْفِرْ لِى وَتَرْحَمْنِىٓ أَكُن مِّنَ ٱلْخَـٰسِرِينَ

[Noah] said, "My Lord, I seek refuge in You from asking that of which I have no knowledge. And unless You forgive me and have mercy upon me, I will be among the losers."

Translation: Saheeh International

Tafsir

He said ‘My Lord I seek refuge in You from the sin that I should ask of You that whereof I have no knowledge. Unless You forgive me my excess and have mercy on me I shall be among the losers’.

Excerpt from Tafsir al-Jalalayn, commentary on 11:47, via Quran.com. The reader has the full commentary and 9 more tafsirs.