In The Name of Allaah, The Most Merciful, The Bestower of Mercy

How can you not humble yourself in the presence of a scholar and sit on your knees in his presence with [good] etiquettes and take [knowledge from] him! We do not declare personalities to be free from shortcomings nor do we exaggerate their status, but we [deal with them based] on [good] etiquettes and honor [them]; and we acknowledge – in particular – the station of the scholars of the Sunnah, for indeed the scholars of bidah are not scholars [in reality].
The [true] scholars are those scholars who [possess sound understanding] of the Book of Allaah – the scholars of Tawheed and the [authentic] Sunnah. As long as they do not [hold and propagate] speech that is tantamount to [clear error or misrepresentation], excess and slanderous speech, as is the case with others, then we sit with this scholar and learn from him.
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Source: An Excerpt from ‘Majmoo Kutub Wa Rasaa’il Wa Fataawaa Fadheelatish Shaikh Al-Allaamah Rabee Bin Haadi Umayr Al-Mad’khalee 1/36. slightly paraphrased