The nuclear forty On the authority of Abu Saeed Saad bin Malik bin Sinan Al-Khudri, may God be pleased with him The Messenger of God, may God bless him and grant him peace, said No harm, no foul Good hadith Narrated by Ibn Majah, Al-Daraqutni and others This hadith shows a great rule of Islam It is preventing anything that is harmful to a person or others Whether the damage is initiating or reciprocating Islam is a religion of justice and mercy that does not condone harm or injustice in any form The hadith establishes the principle of preserving rights and preventing abuse It establishes relationships based on justice and benevolence Which preserves the stability and safety of society