Brihat Parashara Hora Shastra
दृष्टौ मध्यफलं ज्ञेयं चेष्टायां विपुलं फलम् । विचेष्टायां फलं स्वल्पमेवं दृष्टिफलं विदुः ॥ ३८॥
Effects of Chesht etc. If the sub-state is Drishti in an Avastha, the results, being stated for the Avastha, will be medium, the effects will be full in Chesht and negligible in Vichesht.
english translation
dRSTau madhyaphalaM jJeyaM ceSTAyAM vipulaM phalam । viceSTAyAM phalaM svalpamevaM dRSTiphalaM viduH ॥ 38॥
hk transliteration by Sanscript