Brihat Parashara Hora Shastra
कर्मेशे नीचराशिस्थे कर्मस्थे पापखेचरे । कर्मभात्कर्मगे पापे कर्मवैकल्यमादिशेत् ॥ १८॥
Obstructions to the native‟s acts will crop up, if Karm‟s Lord is in fall, as both Karm Bhava and the 10th from Karm Bhava have malefic occupations.
english translation
karmeze nIcarAzisthe karmasthe pApakhecare । karmabhAtkarmage pApe karmavaikalyamAdizet ॥ 18॥
hk transliteration by Sanscript