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Islam's prophet (P.B.U.H) says:
one who knows something and does not observe it, and does not use his knowledge, his punishment in the hereafter would be the most severe one.

brief description
in islam's logic, knowledge is always a tool for practice and improving individual and society's life. otherwise it has no value. those who commit a sin unknowingly have less responsibility, but high responsibility shall be on the burden of those who commit a sin knowingly, and those who neglect making aware different levels of society, and whosoever enjoys a small or big share of knowledge, shall bear the same responsibility accordingly.

قال رسول الله صل الله

أَشَدُّ النّاسِ عَذَاباً فِى الْقِيامَةِ عَالِمٌ لَمْ يَعْمَلْ بِعِلْمِهِ وَ لَمْ يَنْفَعْهُ عِلْمُه

بد ترین مردم در روز قیامت، عالمی است که به علمش عمل نمی کند و دانشش او را سود نمی رساند

beharol anvar, volume 2, page 38