Source, in full
(About the death of his father, ‘Alī): There has died tonight a man who was the first among the early (Muslims) in (good) actions. Nor did any later (Muslims) attain his level in (good) actions. He used to fight alongside the Apostle of God, may Allah bless him and his family, and protect him with his own life. The Apostle of God, may God bless him and his family, used to send him forward with his standard while Gabriel supported him on his right and Michael supported him on his left. He would not return until God brought victory through his hands. He, peace be on him, has died on this the night - on which Jesus, son of Mary, was taken up (to Heaven), on which Joshua, son of Nūn, the testamentary trustee (wasi) of Moses, peace be on him, died. He has left behind him no gold nor silver, except seven hundred dirhams of his stipend (ata'), with which he was intending to buy a servant for his family.
Notes from Wikiquote
I am the (grand) son of the one who brought the good news (Bashīr). I am the (grand) son of the warner (Nadhīr). I am the (grand) son of the man who, with God's permission, summoned (the people) to God. I am the (grand) son of the light which shone out (to the world). I am of the House, from whom God has "sent away abomination" and whom God has "purified thoroughly" [Qur'an, 33:33]. I am of the House for whom God has required love in his Book, when God, the Most High, said: "Say: I do not ask you for any reward except love for (my) kin; Whoever earns good, will increase good for himself [Qur'an, 42:23]." The good is love for us, the House. | I have not become one who bears malice to any Muslims, nor one who wishes evil or misfortune for him. Indeed what you dislike about unity is better for you than what you like about division. I see what is better for you, better than you see for yourselves. Therefore do not oppose my commands and do not reject my judgement. May God forgive both me and you, and may He guide me and you to that in which there is love and satisfaction. | Oh you who mention Ali, I am al-Hasan and Ali was my father. You are Mu'āwiyah, and your father was Sakhr (Abu Sufyan). My mother was Fātimah and your mother was Hind. My grandfather was the Apostle of God and your grandfather was Harb. My grandmother was Khadījah and your grandmother was Futayla. May God curse him who tries to reduce our reputation and to diminish our nobility; (you are the one) who does evil against our antiquity and yet (you are the one) who has been ahead of us in unbelief and hypocrisy. | (On his death-bed): My brother (Husayn), I am leaving you and joining my Lord. I have been given poison to drink and have spewed my liver into a basin. I am aware of the person who poisoned me and from where I have been made a subject to this deceitful action. I will oppose him before God, the Mighty and High. Therefore by the right I have with regard to you, say nothing about that and wait for