According to search-discovered classical Islamic scholarship, the concept of 'Joy' (Al-Farah - الفرح) is a spiritually significant emotion whose value is determined entirely by its source and consequence. The Quran makes a clear distinction between two types of joy. Praiseworthy joy, as explained by commentators like Ibn Kathir and Al-Qurtubi, is that which arises from the grace and mercy of Allah, such as the victory He grants the believers (30:4-5) or the eternal bliss bestowed upon martyrs in the Hereafter (3:170). This form of joy cultivates gratitude and deepens one's connection to God. Conversely, Islamic scholars unanimously condemn the joy that stems from worldly attachments, leading to arrogance, boasting, and heedlessness of the Hereafter, as highlighted in the verses concerning those who exult in the life of this world (13:26). Al-Tabari's linguistic analysis of the root 'fa-ra-ha' confirms this duality, relating to a delight that can be either spiritually uplifting or morally corrupting. This nuanced framework guides believers to seek a profound, lasting joy rooted in their relationship with the Divine, rather than the fleeting and spiritually dangerous pleasures of materialism.