Surah Ghafir 40:37
أَسْبَـٰبَ ٱلسَّمَـٰوَٰتِ فَأَطَّلِعَ إِلَىٰٓ إِلَـٰهِ مُوسَىٰ وَإِنِّى لَأَظُنُّهُۥ كَـٰذِبًا ۚ وَكَذَٰلِكَ زُيِّنَ لِفِرْعَوْنَ سُوٓءُ عَمَلِهِۦ وَصُدَّ عَنِ ٱلسَّبِيلِ ۚ وَمَا كَيْدُ فِرْعَوْنَ إِلَّا فِى تَبَابٍ
The ways into the heavens - so that I may look at the deity of Moses; but indeed, I think he is a liar." And thus was made attractive to Pharaoh the evil of his deed, and he was averted from the [right] way. And the plan of Pharaoh was not except in ruin.
Translation: Saheeh International
Tafsir
the routes of the heavens — the paths that lead to it and look upon read indicative fa-attali‘u as a supplement to ablughu ‘I may reach’; or read subjunctive fa-attali‘a as the response to ibni lī ‘build for me’ the God of Moses; …
Excerpt from Tafsir al-Jalalayn, commentary on 40:37, via Quran.com. The reader has the full commentary and 9 more tafsirs.