One verse

Srimad Bhagavatam 4.24.14

4.24.14

पित्रादिष्टा: प्रजासर्गे तपसेऽर्णवमाविशन् । दशवर्षसहस्राणि तपसार्चंस्तपस्पतिम् ॥ १४ ॥

pitradistah praja-sarge tapase ’rnavam avisan dasa-varsa-sahasrani tapasarcams tapas-patim

pitra
by the father
adistah
being ordered by
praja-sarge
in the matter of begetting children
tapase
for executing austerity
arnavam
in the ocean
avisan
entered
dasa-varsa
ten years
sahasrani
such thousands
tapasa
by their austerity
arcan
worshiped
tapah
of austerity
patim
the master.

When all these Pracetas were ordered by their father to marry and beget children, they all entered the ocean and practiced austerities and penances for ten thousand years. Thus they worshiped the master of all austerity, the Supreme Personality of Godhead.