Neither the student nor I would mind in the least fair criticism and correction, but no one will permit himself to suffer criticism and correction from another whose knowledge and understanding of the subject is less than the one criticized and corrected; whose knowledge and understanding of the subject is susceptible to doubt as to its true worth and validity.
Syed Muhammad Naquib al-Attas, Comments on the Re-Examination of Al-Raniri's Hujjatu'l-Siddiq: A Refutation
criticism