One verse

Srimad Bhagavatam 4.25.10

4.25.10

आसीत्पुरञ्जनो नाम राजा राजन् बृहच्छ्रवा: । तस्याविज्ञातनामासीत्सखाविज्ञातचेष्टित: ॥ १० ॥

asit puranjano nama raja rajan brhac-chravah tasyavijnata-namasit sakhavijnata-cestitah

asit
there was
puranjanah
Puranjana
nama
named
raja
king
rajan
O King
brhat-sravah
whose activities were great
tasya
his
avijnata
the unknown one
nama
of the name
asit
there was
sakha
friend
avijnata
unknown
cestitah
whose activities.

My dear King, once in the past lived a king named Puranjana, who was celebrated for his great activities. He had a friend named Avijnata (the unknown on). No one could understand the activities of Avijnata.