Surah An-Nisa 4:129

وَلَن تَسْتَطِيعُوٓا۟ أَن تَعْدِلُوا۟ بَيْنَ ٱلنِّسَآءِ وَلَوْ حَرَصْتُمْ ۖ فَلَا تَمِيلُوا۟ كُلَّ ٱلْمَيْلِ فَتَذَرُوهَا كَٱلْمُعَلَّقَةِ ۚ وَإِن تُصْلِحُوا۟ وَتَتَّقُوا۟ فَإِنَّ ٱللَّهَ كَانَ غَفُورًا رَّحِيمًا

And you will never be able to be equal [in feeling] between wives, even if you should strive [to do so]. So do not incline completely [toward one] and leave another hanging. And if you amend [your affairs] and fear Allāh - then indeed, Allāh is ever Forgiving and Merciful.

Translation: Saheeh International

Tafsir

You will never be able to be just to to treat equally your wives in terms of love even if you be eager for this; yet do not turn altogether away towards the one you love with respect to the shares and maintenance expenses so that you leave her the one from whom you turn away like one suspended one that is neither a …

Excerpt from Tafsir al-Jalalayn, commentary on 4:129, via Quran.com. The reader has the full commentary and 9 more tafsirs.