Abu Hurayrah (may Allah be pleased with him) reported: The Messenger of Allah (may Allah's peace and blessings be upon him) said: "Whoever acquires knowledge that should be pursued for the sake of Allah Almighty for the sole purpose of securing worldly gains shall not smell the ‘Arf of Paradise on the Day of Judgment." i.e., its fragrance.
GradingAuthentic
AttributionNarrated by Abu Dāwūd, Ibn Mājah, and Ahmad