One verse

Srimad Bhagavatam 9.16.28

9.16.28

गाधेरभून्महातेजा: समिद्ध इव पावक: । तपसा क्षात्रमुत्सृज्य यो लेभे ब्रह्मवर्चसम् ॥ २८ ॥

gadher abhun maha-tejah samiddha iva pavakah tapasa ksatram utsrjya yo lebhe brahma-varcasam

gadheh
from Maharaja Gadhi
abhut
was born
maha-tejah
very powerful
samiddhah
inflamed
iva
like
pavakah
fire
tapasa
by austerities and penances
ksatram
the position of a ksatriya
utsrjya
giving up
yah
one who (Visvamitra)
lebhe
achieved
brahma-varcasam
the quality of a brahmana.

Visvamitra, the son of Maharaja Gadhi, was as powerful as the flames of fire. From the position of a ksatriya, he achieved the position of a powerful brahmana by undergoing penances and austerities.