Shaykh ul-Islām ibn Taymiyyah [may Allāh have mercy on him] said:
“Many people have excessiveness within themselves, in their love for their Shaykhs, so much so that it is similar to that of the Shi’ites having excessiveness for the(ir) Imāms.”
Minhāj us-Sunnah an-Nabawiyāh, 6/430 | Shaykh ul-Islām ibn Taymiyyah [may Allāh have mercy on him]