اَللَّهُمَّ إِنِّي أَسْأَلُكَ عِلْمًا نَافِعًا،وَرِزْقًا طَيِّبًا،وَعَمَلاً مُتَقَبِّلاً.
Allahumma inni as’aluka ‘ilman nafi’an, wa rizqan tayyiban wa’amalan mutaqabbalan.
O Allah, I ask You for beneficial knowledge, goodly provision and acceptable deeds.
Ya Allah! Ina rokan Ka ilimi mai amfani, da arziki na halal, da aiki karbabbe. [1]
The Prophet ﷺ used to supplicate:
اللَّهُمَّ انْفَعْنِي بِمَا عَلَّمْتَنِي وَ عَلِّمْنِي مَا يَنْفَعُنِي وَ زِدْنِي عِلْمًا
Allahumma-infa’nī bimā ‘alamtanī wa ‘allimnī mā yanfa’unī wa zidnī ‘ilmā
O Allah, benefit me from that which You taught me, and teach me that which will benefit me, and increase me in knowledge.
(Sunan Ibn Majah, by al-Hakim, Bayhaqi, Tabraani & authenticated by Albaani)
https://learn-islam.org/class-3-signs-beneficial-nonbeneficial-knowledge