Holy Quran says:
"Give good news to the patient,
who, when a misfortune befalls them, say: We are Allah's and to Him do we
return."
(Holy
Quran: 2:155-156)
Holy Quran says:
"Pardon (people) and overlook
(their faults). Don't you love that Allah should forgive you."
(Holy
Quran: 24:22)
"(The dutiful are) . . . those
who restrain their anger and pardon people. Allah loves those who do good to
others."
(Holy
Quran: 3:134)
Source:
www.muslim.org