Brihat Parashara Hora Shastra
गुरुशुक्रौ शुभौ प्रोक्तौ चन्द्रो मध्यम उच्यते । उदासीनो बुधः ख्यातः पापा रव्यार्किभूमिजाः ॥ ८॥
Natural Benefics and Malefics. Guru and Śukr are benefics, while Candr is mediocre in benefice and Budh is neutral (a benefic, when associated with a benefic and a malefic, when related to a malefic). Malefics are Sūrya, Śani and Mangal.
english translation
guruzukrau zubhau proktau candro madhyama ucyate । udAsIno budhaH khyAtaH pApA ravyArkibhUmijAH ॥ 8॥
hk transliteration by Sanscript