Surah Al-Isra 17:28

وَإِمَّا تُعْرِضَنَّ عَنْهُمُ ٱبْتِغَآءَ رَحْمَةٍ مِّن رَّبِّكَ تَرْجُوهَا فَقُل لَّهُمْ قَوْلًا مَّيْسُورًا

And if you [must] turn away from them [i.e., the needy] awaiting mercy from your Lord which you expect, then speak to them a gentle word.

Translation: Saheeh International

Tafsir

But if you have to overlook them that is the kinsmen and the others mentioned and do not give to them seeking mercy from your Lord a mercy which you expect in the future that is you do not give to them because of a request for provision which you are waiting to come to you from your Lord before you give to them then …

Excerpt from Tafsir al-Jalalayn, commentary on 17:28, via Quran.com. The reader has the full commentary and 9 more tafsirs.