Sh. Ibn al-ʿUthaymīn رَحِمَهُ اللهُ said, “This particular person is not excused where the truth has reached him, because it is obligatory upon him to follow the truth wherever it is, and to search for it until it becomes clear to him.
The truth – and all praise is due to Allāh – is pure and clear to the one whose intention is sound, and his methodology is good, for indeed Allāh the Almighty and Majestic says in His Book, {And indeed We have made the Qurʾān easy to remember, so is there anyone who will pay heed} [al-Qamar (54): 22]. However, some people, as the brother querist has mentioned, have those whom they hold in high esteem and follow without deviating from their opinions, despite it crossing their minds that their opinions may be weak or false, however due to fanaticism and desire they are carried away in agreeing with them, even though the guidance may have become clear to them.”
Source: Majmūʿ Fatāwá wa Rasāʾil Faḍīlat al-Shaykh Muḥammad b. Ṣāliḥ al-ʿUthaymīn, 2: 129, no. 223.
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