Bhagwad Gita
Chapter 18, Verse 43
शौर्यं तेजो धृतिर्दाक्ष्यं युद्धे चाप्यपलायनम्।दानमीश्वरभावश्च क्षात्रं कर्म स्वभावजम्।।18.43।।
Heroism, power, determination, resourcefulness, courage in battle, generosity, and leadership are the qualities of work for the ksatriyas.