Eexplaining fundamental Islamic ethics based on teachings of Sahifah Sajjadiyah is the core of the present article. The author after giving essential basic information regarding Sahifah Sajjadiyah, introduced Tuhid (the Unity of God) as the source of all ethical codes and outlined six points in this regard: the gnosis of God, God’s Mercy to all regardless of people’s derivability, Fear and Hope, Hope in God’s blessings, relying on God’s special opportunities given to mankind (Tufigh), and trusting God.  

Islamic ethical codes, principles/ ethics, Sahifah Sajjadiyah / Tuhid, Sahifah Sajjadiyah/ khuf and raja, Sahifah Sajjadiyah/ God’s Mercy, Sahifah Sajjadiyah