This letter is a significant communication from Imam Ali (peace be upon him) addressed to the tax collectors of Kharaj. The historical context of this letter is rooted in the period of the Rashidun Caliphate when Imam Ali established the foundations of Islamic governance and took measures to address public issues. In this letter, Imam reminds the tax collectors of their responsibilities and emphasizes the importance of their duties.

Imam Ali (peace be upon him) states that a person who is not afraid of the consequences of their actions cannot safeguard their soul. This means that individuals must be aware of the repercussions of their deeds to strive for self-improvement. Furthermore, Imam highlights that the duties assigned to them are few, but the rewards for fulfilling them are immense, indicating that efforts made in the path of Allah are never wasted.

The letter emphasizes the importance of justice and fairness. Imam Ali (peace be upon him) instructs the tax collectors to treat people justly and to be patient with their needs. This underscores that the foundation of an Islamic government should be based on public welfare and justice. He also stresses that no Muslim or dhimmi's property should be touched without valid reason.

Imam Ali (peace be upon him) reminds the tax collectors that they are the treasurers of the subjects and have the responsibility to fulfill the needs of the public. He clearly states that they hold the position of representatives and messengers of authority, thus they should be mindful of their responsibilities.

Additionally, the letter highlights the significance of striving in the path of Allah. Imam mentions that Allah, the Exalted, expects all of us to express gratitude for His favors and to strive in His way according to our capabilities. This implies that we should work towards pleasing Allah in our lives and adhere to His commands.