Abdullah ibn Amr reported: The Messenger of Allah, peace and blessings be upon him, said:
الرَّاحِمُونَ يَرْحَمُهُمْ الرَّحْمَنُ ارْحَمُوا مَنْ فِي الْأَرْضِ يَرْحَمْكُمْ مَنْ فِي السَّمَاءِ
Those who are merciful will be shown mercy by the Most Merciful. Be merciful to those on the earth and the One in the heavens will have mercy upon you.
Source: Sunan al-Tirmidhi
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