Ramayana
नियतस्समुदाचारो भक्तिर्भर्तरि चोत्तमा । यन्न हन्ति दशग्रीवं सा महात्मा कृतागसम् ॥ ५-५९-३४
"Ravana is a great soul because, even though he has done harm to her, he is not killed. This is because Sita being a chaste woman of good conduct and deep devotion towards her husband (she refrained from killing Ravana as she wanted her husband to do that). ॥ 5-59-34॥
english translation
niyatassamudAcAro bhaktirbhartari cottamA । yanna hanti dazagrIvaM sA mahAtmA kRtAgasam ॥ 5-59-34
hk transliteration by Sanscript