
Allahumma a’inni ‘ala dhik-rika wa shuk-rika wa husni ‘ibaa-datika
O Allah! Assist me in remembering You, in thanking You, and in worshipping You in the best of manners.
[Sahih Ahmad 5:245, Sahih abu Dawud 2:86, an-Nasa'i]

One day he (Prophet Muhammad SalAllahu alayhi wasalam) took Mu’adh ibn Jabal (radiAllahu anhu) by the hand and said,
‘O Mu’adh, by Allah (subhanahu wa Ta’ala) I love you, and I advise you, O Mu’adh, never forget to recite (this dua), after every prayer (the above).’
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“A kind word is charity.” Al-Bukhari & Muslim
Sadiqur Rahman