Skandapurana 7.5.28_161

7.5.28_161

śāstravidyauṣadhīnāṃ ca gadānāmagadaiḥ saha .
yo vināśayitā16 kaścidyaḥ praśaṃsati dānavān ..9. .
upadeśaṃ ca yo dveṣādācāryo na prayacchati .
sa yāti narakaṃ ghoraṃ dustaraṃ taṃ tamomayam17 . .8.49.1
0 . .

and whoever is a destroyer of scriptures, lore, and medicines together with antidotes; / he who praises the Dānavas; / and the teacher who, out of hatred, does not impart instruction— / he goes to that terrible, impassable hell consisting of darkness. 8.49.10