Brihat Parashara Hora Shastra
केतौ च घटिकायन्त्री मानवो जायते द्विज । भार्गवे तु कविर्वाग्मी काव्यज्ञो जायते जनः ॥ ४०॥
Rahu in the 5th from Karakāńś denotes a machinist. Ketu in the 5th from Karakāńś denotes a watch maker. Śukr in the 5th from Karakāńś will make one a poet and an eloquent speaker.
english translation
ketau ca ghaTikAyantrI mAnavo jAyate dvija । bhArgave tu kavirvAgmI kAvyajJo jAyate janaH ॥ 40॥
hk transliteration by Sanscript