One verse

Srimad Bhagavatam 4.19.37

4.19.37

भवान् परित्रातुमिहावतीर्णो धर्मं जनानां समयानुरूपम् । वेनापचारादवलुप्तमद्य तद्देहतो विष्णुकलासि वैन्य ॥ ३७ ॥

bhavan paritratum ihavatirno dharmam jananam samayanurupam venapacarad avaluptam adya tad-dehato visnu-kalasi vainya

bhavan
Your Majesty
paritratum
just to deliver
iha
in this world
avatirnah
incarnated
dharmam
religious system
jananam
of the people in general
samaya-anurupam
according to the time and circumstances
vena-apacarat
by the misdeeds of King Vena
avaluptam
almost vanished
adya
at the present moment
tat
his
dehatah
from the body
visnu
of Lord Visnu
kala
part of a plenary portion
asi
you are
vainya
O son of King Vena

O King Prthu, son of Vena, you are the part-and-parcel expansion of Lord Visnu. Due to the mischievous activities of King Vena, religious principles were almost lost. At that opportune moment you descended as the incarnation of Lord Visnu. Indeed, for the protection of religious principles you have appeared from the body of King Vena.