Narrated Anas bin Sirin:
We went to receive Anas bin Malik when he returned from Sham and met him at a place called 'Ain-at-Tamr. I saw him praying riding the donkey, with his face to this direction, i.e. to the left...
O Allah, do not call me to account for what they say and forgive me for what they have no knowledge of [and make me better than they imagine].
Info: Al-Bukhari, Al-'Adabul-Mufrad no. 761. See Al-Albani, Sahih Al-'Adabul-Mufrad (no. 585). The portion between brackets if from Al-Bayhaqi, Shu'ab Al-Iman 4/228, and comes another account.