Brihat Parashara Hora Shastra
कर्मस्थानगते मन्दे नीचखेचरसंयुते । कर्मांशे पापसंयुक्ते कर्महीनो भवेन्नरः ॥ १६॥
If Śani is in Karm Bhava along with a debilitated Grah, while Karm Bhava in the Navāńś Kundali is occupied by a malefic, the native will be bereft of acts.
english translation
karmasthAnagate mande nIcakhecarasaMyute । karmAMze pApasaMyukte karmahIno bhavennaraH ॥ 16॥
hk transliteration by Sanscript