Sahih Muslim
The Book of Virtue, Good Manners and Joining of the Ties of Relationship (Kitab Al-Birr was-Salat-I-wal-Adab)
Book Number: 032 / Hadith Number: 6344
Abu Barza reported: I said: Allah's Messenger, teach me something so that I may derive benefit from it. He said: Remove the troublesome thing from the paths of the Muslims.