Sayyiduna Qarah (may Allah be pleased with him) narrates that a man said: O Messenger of Allah! Even when I slaughter a goat, I feel compassion for it. The Prophet (peace and blessings be upon him) said: If you show mercy to the goat, Allah Almighty will show mercy to you.

Sayyiduna Jarir (may Allah be pleased with him) narrates that the Messenger of Allah (peace and blessings be upon him) said: Whoever does not show mercy, mercy is not shown to him, and whoever does not forgive, he is not forgiven.

It is narrated from 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: He is not one of us who does not show mercy to our young and does not recognize the right of our elders.

Syedna Abu Saeed (may Allah be pleased with him) narrates that the Noble Prophet (peace and blessings be upon him) said: Whoever does not show mercy to people, Allah Almighty does not show mercy to him.

Abu Ishaq says: Sayyiduna Jarir bin Abdullah Bajali (may Allah be pleased with him) was present with an army at the place of Armenia. That army was afflicted with hunger. Sayyiduna Jarir (may Allah be pleased with him) wrote a letter to Sayyiduna Muawiyah (may Allah be pleased with him) saying: I heard the Messenger of Allah (peace and blessings be upon him) say: Whoever does not show mercy to people, Allah does not show mercy to him. Sayyiduna Muawiyah (may Allah be pleased with him) called him. When he came, he asked: Did you really hear this hadith from the Messenger of Allah (peace and blessings be upon him)? He said: Yes. So he sent him back with supplies. Abu Ishaq says: My father was also in that army; he too brought a sheet from among the supplies that Sayyiduna Muawiyah (may Allah be pleased with him) had sent.

Narrated from Sayyiduna Abdullah (may Allah be pleased with him) that the Noble Prophet (peace and blessings be upon him) said on the pulpit: Show mercy, mercy will be shown to you; forgive, Allah Almighty will forgive you. Woe to those who turn a deaf ear, and woe also to those who persist—those who knowingly persist in their evil deeds.

It is narrated from Sayyiduna Abu Hurairah, may Allah be pleased with him, who says: I heard the Truthful and Trusted, the one of the chamber, Abu al-Qasim (peace and blessings be upon him and his family) saying: Mercy is only taken away from the one who is wretched.

It is also narrated from Sayyiduna Abu Hurairah (may Allah be pleased with him) that Sayyiduna ‘Uyaynah bin Hisn (may Allah be pleased with him) came to the Messenger of Allah (peace and blessings be upon him) and saw that he (peace and blessings be upon him) was kissing Sayyiduna Hasan (may Allah be pleased with him) or Sayyiduna Husayn (may Allah be pleased with him). He said: O Messenger of Allah! Do not kiss them; I have ten children and I have not kissed any of them. The Prophet (peace and blessings be upon him) said: Whoever does not show mercy will not be shown mercy.

Sayyida Aisha (may Allah be pleased with her) narrates that a Bedouin came to the Prophet Muhammad (peace and blessings be upon him) and said: O Messenger of Allah! Do you kiss children? By Allah, we do not kiss them. The Prophet (peace and blessings be upon him) said: Allah has deprived your heart of mercy, so I can do nothing for you.

Khalid bin Hakim bin Hizam says: Sayyiduna Abu Ubaidah (may Allah be pleased with him) punished a man for some reason, but Sayyiduna Khalid bin Walid (may Allah be pleased with him) stopped him. People said: You have angered the leader. So he went to him and said: It was not my intention to anger you, but I heard the Messenger of Allah (peace and blessings be upon him) say that on the Day of Resurrection, the most severe punishment will be given to the one who subjected people to the harshest punishment in the world.