Brihat Parashara Hora Shastra
बुधे तत्र ततोऽप्यूनग्रन्थकर्त्ता प्रजायते । तत्र शुक्रे कविर्वाग्मी काव्यज्ञश्च प्रजायते ॥ ८७॥
Grahas in the 5th from Karakāńś. Should Śukr be in the 5th from Karakāńś, the native will be eloquent and a poet. Guru denotes, that he be an exponent and be all knowing, but be unable to speak in an assembly.
english translation
budhe tatra tato'pyUnagranthakarttA prajAyate । tatra zukre kavirvAgmI kAvyajJazca prajAyate ॥ 87॥
hk transliteration by Sanscript