Brihat Parashara Hora Shastra
तत्रार्कशनिभूपुत्राः क्षीणेन्दुराहुकेतवः। क्रूराः शेषग्रहा सौम्याः क्रूरः क्रूरयुतो बुधः॥ ११॥
Benefics and Malefics. Among these, Sūrya, Śani, Mangal, decreasing Candr, Rahu and Ketu (the ascending and the descending nodes of Candr) are malefics, while the rest are benefics. Budh, however, is a malefic, if he joins a malefic.
english translation
tatrArkazanibhUputrAH kSINendurAhuketavaH। krUrAH zeSagrahA saumyAH krUraH krUrayuto budhaH॥ 11॥
hk transliteration by Sanscript