One verse

Srimad Bhagavatam 9.8.8

9.8.8

सुमत्यास्तनया द‍ृप्ता: पितुरादेशकारिण: । हयमन्वेषमाणास्ते समन्तान्न्यखनन् महीम् ॥ ८ ॥

sumatyas tanaya drptah pitur adesa-karinah hayam anvesamanas te samantan nyakhanan mahim

sumatyah tanayah
the sons born of Queen Sumati
drptah
very proud of their prowess and influence
pituh
of their father (Maharaja Sagara)
adesa-karinah
following the order
hayam
the horse (stolen by Indra)
anvesamanah
while seeking
te
all of them
samantat
everywhere
nyakhanan
dug
mahim
the earth.

(King Sagara had two wives, Sumati and Kesini.) The sons of Sumati, who were very proud of their prowess and influence, following the order of their father, searched for the lost horse. While doing so, they dug into the earth very extensively.