One verse

Srimad Bhagavatam 5.11.2

5.11.2

तथैव राजन्नुरुगार्हमेध-वितानविद्योरुविजृम्भितेषु । न वेदवादेषु हि तत्त्ववाद:प्रायेण शुद्धो नु चकास्ति साधु: ॥ २ ॥

tathaiva rajann uru-garhamedha- vitana-vidyoru-vijrmbhitesu na veda-vadesu hi tattva-vadah prayena suddho nu cakasti sadhuh

tatha
therefore
eva
indeed
rajan
O King
uru-garha-medha
rituals related to material household life
vitana-vidya
in knowledge that expands
uru
very greatly
vijrmbhitesu
among those interested
na
not
veda-vadesu
who speak the version of the Vedas
hi
indeed
tattva-vadah
the spiritual science
prayena
almost always
suddhah
free from all contaminated activities
nu
indeed
cakasti
appear
sadhuh
a person who is advanced in devotional service

My dear King, talks of the relationship between the master and the servant, the king and the subject and so forth are simply talks about material activities. People interested in material activities, which are expounded in the Vedas, are intent on performing material sacrifices and placing faith in their material activities. For such people, spiritual advancement is definitely not manifest.