Musnad Ahmad Hadith 7243

It is narrated from Abu Huraira (may Allah be pleased with him) that once Abu Dharr Ghifari (may Allah be pleased with him) submitted in the court of the Messenger: O Messenger of Allah, the wealthy have taken away heaps of reward and virtue; just as we pray, they also pray; just as we fast, they also fast; and they have extra wealth which they give in charity, whereas we do not have enough money to give in charity? The Noble Prophet (ﷺ) said to him: Shall I not tell you such words that if you act upon them, you will reach those who have surpassed you, and no one will be able to reach your rank, except someone who does the same as you? He submitted: Why not, O Messenger of Allah! The Noble Prophet (ﷺ) said: After every prayer, recite Allahu Akbar thirty-three times, Subhan Allah thirty-three times, Alhamdulillah thirty-three times, and at the end say: La ilaha illallah wahdahu la sharika lahu, lahul mulk wa lahul hamd wa huwa ‘ala kulli shay’in qadeer.