Shiva Purana
क्षत्रस्यायं परो धर्मो क्षताच्च परिरक्षणम् ॥ तस्मिन्कुलोचिते धर्मे नष्टे त्वज्जीवितेन किम् ॥ २५॥
The greatest duty of a Kṣatriya is the protection from injury. When that virtue hereditarily practised in your family is lost, of what avail is your life?
english translation
kSatrasyAyaM paro dharmo kSatAcca parirakSaNam ॥ tasminkulocite dharme naSTe tvajjIvitena kim ॥ 25॥
hk transliteration by Sanscript