Brihat Parashara Hora Shastra
निहन्ताऽर्कसुतोऽर्कस्तु साहचर्यात् फलप्रदः । कर्कलग्नोद्भवस्यैवं फलं प्रोक्तं मनीषिभिः ॥ २८॥
Mangal is capable of conferring a full-fledged Yog and giving auspicious effects. Śani and Sūrya are killers and give effects, according to their associations.
english translation
nihantA'rkasuto'rkastu sAhacaryAt phalapradaH । karkalagnodbhavasyaivaM phalaM proktaM manISibhiH ॥ 28॥
hk transliteration by Sanscript