Ignorance manifests in extremes of neglect or exaggeration
Nahj al-Balāgha|Volume 1|Book 3|Chapter 70
٧٠. وَقَالَ (عليه السلام): لَا تَرَى الْجَاهِلَ إِلَّا مُفْرِطاً أَوْ مُفَرِّطاً.
70. Amīr al-mu’minīn, peace be upon him, said: You will not find an ignorant person but at one extreme or the other (i.e. a person who neglects or a person who exaggerates).