Advice to one of his sons after returning from the Battle of Siffin. Some historians consider him to be Imam Hasan (a) while others are of the opinion that he was Muhammad Hanafiya. He wrote them in the form of a will. They deal with almost every aspect of life which goes a long way to make a man successful in life - brave, humane, generous, virtuous and pious

To Mu'awiya

To Qutham b. Abbas, the brother of Abdullah b. Abbas, who was the Governor of Imam Ali (a) in the province of Hijaz

Muhammad, son of Abu Bakr (the 1st caliph) was one of the favourite disciples and companions of Imam Ali (a). Imam Ali (a) had treated and trained him like his own son and had appointed him as the Governor of Egypt. Later on Imam Ali (a) called him back from Egypt and sent Maalik Ashtar as the Governor. Muhammad thought that he was deposed and felt sad about it. When Imam Ali (a) came to know of this he wrote the following letter to him
When Muhammad bin Abi Bakr was killed in Egypt by the guerrillas of Mu'awiya through disloyalty of his (Muhammad's) own companions and officers, Imam Ali (a) felt sad and wrote the following letter to Abdullah b. Abbas
To his brother Aqil. It so happened that Zahaak bin Qays Fahri was sent to Makkah by Mu'awiya with a force of guerrillas to ravage the city. Imam Ali (a) had sent Hujr bin Adi Kindi to defend the city of Makkah. Hujr defeated Zahaak. Aqil at that time was in Makkah. He wrote to Imam Ali (a) offering his voluntary services saying that the Quraysh were not sincerely serving the cause of Islam and were bent upon the enmity of Imam Ali (a). In reply Imam Ali (a) wrote this letter
To Mu'awiya
To the people of Egypt, telling them about Maalik when Imam Ali (a) appointed him as their Governor
To Amr bin Aas
To a commissioner of a province. It could not be ascertained as to whom it was addressed