ENOfficial
Abu Huraira reported God’s messenger as saying, "Knowledge from which no benefit is derived is like a treasure from which nothing is expended in God’s path.” Darimi transmitted it.
Source: sunnah.com
Other translations
Arabic
وَعَنْ أَبِي هُرَيْرَةَ قَالَ: قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ: «مَثَلُ عِلْمٍ لَا يُنْتَفَعُ بِهِ كَمَثَلِ كَنْزٍ لَا يُنْفَقُ مِنْهُ فِي سَبِيل الله» . رَوَاهُ الدَّارمِيّ
sunnah.com