The Forty Hadiths of al-Nawawi On the authority of Abu Sa'id Sa'd ibn Malik ibn Sinan al-Khudri, may Allah be pleased with him That the Messenger of Allah, peace and blessings of Allah be upon him, said There shall be no causing harm, nor reciprocating harm A hasan (good) hadith Narrated by Ibn Majah, al-Daraqutni, and others This hadith elucidates a magnificent principle among the principles of Islam Which is the prohibition of everything that causes harm to oneself or to others Whether that harm is initiated or done in retaliation For Islam is a religion of justice and mercy that does not condone injury or injustice in any form Thus, the hadith establishes the principle of protecting rights and preventing aggression And it builds relationships founded upon justice and benevolence Which preserves the stability and well-being of society