Heartfelt Advice to a Friend by Imam Ibn Qayyim al-Jawziyyah (d. 751H)

Imam Ibn Qayyim al-Jawziyyah (d. 751H) wrote Risalatu ibn al-Qayyim ila Ahadi Ikhwanihi (Heartfelt Advice to a Friend) to his close companion, 'Alā' Al-Dīn. The classical text emphasizes the necessity of seeking Allah's guidance and details six foundational pillars for attaining true happiness, spiritual pleasure, and steadfastness on the Straight Path.