One verse

Srimad Bhagavatam 7.5.3

7.5.3

यत्तत्र गुरुणा प्रोक्तं शुश्रुवेऽनुपपाठ च । न साधु मनसा मेने स्वपरासद्ग्रहाश्रयम् ॥ ३ ॥

yat tatra guruna proktam susruve ’nupapatha ca na sadhu manasa mene sva-parasad-grahasrayam

yat
which
tatra
there (in the school)
guruna
by the teachers
proktam
instructed
susruve
heard
anupapatha
recited
ca
and
na
not
sadhu
good
manasa
by the mind
mene
considered
sva
of one’s own
para
and of others
asat-graha
by the bad philosophy
asrayam
which was supported.

Prahlada certainly heard and recited the topics of politics and economics taught by the teachers, but he understood that political philosophy involves considering someone a friend and someone else an enemy, and thus he did not like it.