Hammad said: I heard Ayyub say: Two kinds of people have lied to al-Hasan: people who believed in free will and they intended that they publicise their belief by it; and people who had enmity with and hostility (for al-Hasan), saying: Did he not say so and so? Did he not say so and so?
Hadith Referenceسنن ابي داود / كتاب السنة / 4622
Hadith Gradingالألبانی:صحيح لغيره | زبیر علی زئی:إسناده صحيح
Benefits and Issues: It is the practice of the people of desires (ahl al-hawa) that, in order to spread their own views, they attribute their false statements to those individuals whom people respect and trust.
Source: Sunan Abu Dawood – Commentary by Shaykh Umar Farooq Saeedi, Page: 4622