It is narrated from Sayyiduna Abdullah bin Umar (may Allah be pleased with them both) that the Noble Prophet (peace and blessings be upon him) said: A person remains in ease regarding his religion, that is, in doing good deeds, as long as he does not commit the act of shedding unlawful blood.
Hadith Takhrij«أخرجه البخاري: 6862 ، (انظر مسند أحمد ترقيم الرسالة: 5681 ترقیم بيت الأفكار الدولية: 5681»
Brief Explanation
Benefits: … Although all kinds of good deeds are generally affected by evil acts, murder is such a grave crime that it constricts the path of virtuous deeds, except if one sincerely repents, as is well-known from the incident of the man who killed one hundred people.