Bhagavad Gita 18.43
शौर्यं तेजो धृतिर्दाक्ष्यं युद्धे चाप्यपलायनम्। दानमीश्वरभावश्च क्षात्रं कर्म स्वभावजम्।।18.43।।
śauryaṃ tejo dhṛtirdākṣyaṃ yuddhe cāpyapalāyanam| dānamīśvarabhāvaśca kṣātraṃ karma svabhāvajam||18.43||
shauryam tejo dhritirdakshyam yuddhe capyapalayanam danamishvarabhavashca kshatram karma svabhavajam18.43
Meaning
Heroism, vigor, firmness, resourcefulness, not fleeing from battle, generosity, and leadership — these are the natural duties of the Kshatriya.
शौर्य, तेज, धृति, दाक्ष्य (दक्षता), युद्ध से पलायन न करना, दान और ईश्वर भाव (स्वामी भाव) — ये सब क्षत्रिय के स्वाभाविक कर्म हैं।
This is verse 43 of 78 in Chapter 18 (Moksha Sannyasa Yoga) of the Bhagavad Gita.