One verse

Srimad Bhagavatam 3.1.10

3.1.10

यदोपहूतो भवनं प्रविष्टो मन्त्राय पृष्ट: किल पूर्वजेन । अथाह तन्मन्त्रद‍ृशां वरीयान् यन्मन्त्रिणो वैदुरिकं वदन्ति ॥ १० ॥

yadopahuto bhavanam pravisto mantraya prstah kila purvajena athaha tan mantra-drsam variyan yan mantrino vaidurikam vadanti

yada
when
upahutah
was called by
bhavanam
the palace
pravistah
entered
mantraya
for consultation
prstah
asked by
kila
of course
purvajena
by the elder brother
atha
thus
aha
said
tat
that
mantra
advice
drsam
just suitable
variyan
excellent
yat
that which
mantrinah
the ministers of state, or expert politicians
vaidurikam
instructions by Vidura
vadanti
do they say.

When Vidura was invited by his elder brother (Dhrtarastra) for consultation, he entered the house and gave instructions which were exactly to the point. His advice is well known, and instructions by Vidura are approved by expert ministers of state.