Brihat Parashara Hora Shastra
विना तज्ज्यैतिषं नान्यो ज्ञातुं शक्नोति कर्हिचित्। तत्मादवश्यमध्येयं ब्राह्मणेश्च विशेषतः॥ १२॥
Without a knowledge of Jyotish these cannot be known. Hence, everyone should have a knowledge of Jyotish, particularly the Brahmin.
english translation
vinA tajjyaitiSaM nAnyo jJAtuM zaknoti karhicit। tatmAdavazyamadhyeyaM brAhmaNezca vizeSataH॥ 12॥
hk transliteration by Sanscript