Brihat Parashara Hora Shastra
नवमे कारकांशाच्च शनिराहुयुतेक्षिते । गुरुद्रोही भवेद् बालः शास्त्रेषु विमुखो नरः ॥ ५२॥
If Śani and Rahu, one will betray his elders and be adverse to ancient learning.
english translation
navame kArakAMzAcca zanirAhuyutekSite । gurudrohI bhaved bAlaH zAstreSu vimukho naraH ॥ 52॥
hk transliteration by Sanscript