Brihat Parashara Hora Shastra
सुयोगैर्वर्ध्यते ह्यायुः कुयोगैर्हीयते तथा । अतो योगानहं वक्ष्ये पूर्णमध्याल्पकारकान् ॥ ५९॥
Good Yogas increase the life-span and bad Yogas decrease the same. Hence I tell you such Yogas, as to know of full, medium and short span combinations.
english translation
suyogairvardhyate hyAyuH kuyogairhIyate tathA । ato yogAnahaM vakSye pUrNamadhyAlpakArakAn ॥ 59॥
hk transliteration by Sanscript