Narrated by Sayyiduna Abdullah bin Amr bin al-As (may Allah be pleased with them both) that the Messenger of Allah (peace and blessings be upon him) said: The most transgressive person in the sight of Allah is the one who kills in the Haram, or kills someone who did not kill, or takes revenge for the days of ignorance.
Hadith Takhrij«اسناده حسن ، (انظر مسند أحمد ترقيم الرسالة: 6933 ترقیم بيت الأفكار الدولية: 6933»
Brief Explanation
Benefits: … The Prophet sallallahu alayhi wa sallam had announced the pardon of all excesses committed during the period of ignorance (jahiliyyah), and in practice, he had indeed forgiven them.