Brihat Parashara Hora Shastra
ग्रन्थकर्ता भवेज्जातः सर्वविद्याविशारदः । तत्र दैत्यगुरौ किञ्चिदूनग्रन्थकरो भवेत् ॥ ८६॥
The grade of writership will comparatively descend in the case of Śukr and even further in the case of Budh.
english translation
granthakartA bhavejjAtaH sarvavidyAvizAradaH । tatra daityagurau kiJcidUnagranthakaro bhavet ॥ 86॥
hk transliteration by Sanscript