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Summary:
When one lives in an environment where opportunities to commit sins are plenty and indulgence is commonplace, it requires a strong grounding in morality and control over one's self. It is also necessary for the struggle against enemy to be worthy and fruitful a battle fought with sincerity, solidarity, pure intention, free from any selfishness and personal interest.

Summary:‘Ali al-Hadi (a.s.) was born in Siriya in Yathrib (Medina) and by this birth the world was delighted. No one had ever been born in that age more pious, more devoted, or more knowledgeable than him. He inherited all qualities of good, honor, and nobility.

Summary:

Alī ibn Muhammad ibn ‘Alī commonly called Ali al-Hadi and Alī an-Naqī was known as al-Hadi. He was the tenth of the Twelve Imams after his father Muhammad al-Jawad and before his son Hasan al-Askari. He remained in Medina teaching until the age of 30 when he was summoned to Samarra by the Abbasid caliph Al-Mutawakkil. There he was treated roughly by the caliph and his successors until, according to Shiite accounts, he was poisoned through intrigue of Al-Mu'tazz the Abbasid caliph, in 254/868, and was buried in Samarra.