Chapter 1: Introduction
Ahmad bin Ibrāhīm ad-Dawraqī narrated to me, he said Abd ur-Rahman bin Mahdī narrated to me, on authority Hammād bin Zayd, he said, Ayyūb mentioned a man one day and said [about him]: ‘He is not upright in speech [i. e. he lies]’, and he mentioned another [person] and said: ‘He adds to records [i. e. he lies]’.
Sahih Muslim Introduction 60