Indeed, in terms of my religion I am upon sound proof, and as for you, then you are upon doubt; go to one who is upon doubt as you are – and debate with him.
Whoever hears of an innovation, then he must not relate it to his companions; he must not relay it [out of fear it may settle] in their hearts.
al-Mahdee – the ‘Abbaasid ruler – ordered the[m] people to refrain from talking, and not to engage in speaking [in matters of the religion without sound knowledge].
If you spoke to a man about the Sunnah, and he said [to you] ‘Spare us from this [speech], and [just] tell us about the Book of Allaah’, then know that he is misguided.
Love of Allaah ‘Azza wa Jall entails love of the Qur.aan, and love of the Messenger (sal-Allaahu ‘alayhi wa sallam) entails acting in accordance with his Sunnah.
Ishaaq al-Fazaaree – a man of Sunnah – was the one who disciplined the people of ath-Thughar and taught them the Sunnah. And if an innovator entered ath-Thughar, he would oust him [to protect the people of ath-Thughar from his innovation].