It is proper to “keep on asking ” for anything that is in harmony with God’s will.
(‏ مت ٧ :‏ ​ ٧ ،‏ ٨‏ )‏ فَمِنَ ٱللَّائِقِ أَنْ ‹ نُدَاوِمَ عَلَى ٱلسُّؤَالِ › طَلَبًا لِأَيِّ شَيْءٍ يَتَوَافَقُ مَعَ مَشِيئَةِ ٱللهِ .‏