Shaqayq bin Salmah al-Asadi شقيق بن سلمة الأسدي أبو وائل الكوفي · The Book on Hajj

The Messenger of Allah said: "Alternate between Hajj and Umrah; for those two remove poverty and sins just as the bellows removes filth from iron, gold, and silver - and there is no reward for Al-Hajj Al-Mabrur except for Paradise."