question #3 Sahih Muslim Introduction 40, Introduction, Narration 39 : What measures can be taken to ensure the accuracy of hadith narration among the righteous?

‘We do not see the righteous more false in anything than they are regarding Ḥadīth’.Ibn Abī Attāb said: ‘So Muhammad bin Yahyā bin Sa’īd al-Qattān and I met and I asked him about it and he said on authority of his father: ‘You will not see the people of good (Ahl ul-Khayr) more false in anything than they are regarding Ḥadīth.’ Muslim said: ‘He was saying that falsehood flows upon their tongues although they do not intend to lie’.