One verse

Srimad Bhagavatam 2.8.29

2.8.29

यद् यत् परीक्षिद‍ृषभ: पाण्डूनामनुपृच्छति । आनुपूर्व्येण तत्सर्वमाख्यातुमुपचक्रमे ॥ २९ ॥

yad yat pariksid rsabhah pandunam anuprcchati anupurvyena tat sarvam akhyatum upacakrame

yat yat
whatsoever
pariksit
the King
rsabhah
the best
pandunam
in the dynasty of Pandu
anuprcchati
goes on inquiring
anupurvyena
the beginning to the end
tat
all those
sarvam
fully
akhyatum
to describe
upacakrame
he just prepared himself.

He also prepared himself to reply to all that King Pariksit had inquired from him. Maharaja Pariksit was the best in the dynasty of the Pandus, and thus he was able to ask the right questions from the right person.