Sahih Muslim
The Book Pertaining to the Excellent Qualities of the Holy Prophet (may Peace be upon them) and His Companions (Kitab Al-Fadail)
Book Number: 030 / Hadith Number: 5710
Anas reported Allah's Apostle (may peace be upon him) as saying: You would be shown in it jugs of gold and silver (as numerous) as the number of stars in the sky. This hadith has been transmitted on the authority of Anas b. Malik with this addition:" More numerous than stars in the sky."