One verse

Srimad Bhagavatam 3.6.31

3.6.31

बाहुभ्योऽवर्तत क्षत्रं क्षत्रियस्तदनुव्रत: । यो जातस्त्रायते वर्णान् पौरुष: कण्टकक्षतात् ॥ ३१ ॥

bahubhyo ’vartata ksatram ksatriyas tad anuvratah yo jatas trayate varnan paurusah kantaka-ksatat

bahubhyah
from the arms
avartata
generate d
ksatram
the power of protection
ksatriyah
in relation to the power of protection
tat
that
anuvratah
followers
yah
one who
jatah
so becomes
trayate
delivers
varnan
the other occupations
paurusah
representative of the Personality of Godhead
kantaka
of disturbing elements like thieves and debauchees
ksatat
from the mischief.

Thereafter the power of protection was generated from the arms of the gigantic virat form, and in relation to such power the ksatriyas also came into existence by following the ksatriya principle of protecting society from the disturbance of thieves and miscreants.