Brihat Parashara Hora Shastra
सौम्यशुक्रार्कजाः पापाः कुजेज्यार्काः शुभावहाः । प्रभवेद्योगमात्रेण न शुभं गुरुशुक्रयोः ॥ २९॥
Grahas and Simh Lagn. Budh, Śukr and Śani are malefics. Auspicious effects will be given by Mangal, Guru and Sūrya. Guru‟s Yuti with Śukr (though, respectively, Kon and Kendr Lords) will not produce auspicious results.
english translation
saumyazukrArkajAH pApAH kujejyArkAH zubhAvahAH । prabhavedyogamAtreNa na zubhaM guruzukrayoH ॥ 29॥
hk transliteration by Sanscript