One verse

Bhagavad Gita 3.9

3.9

यज्ञार्थात्कर्मणोऽन्यत्र लोकोऽयं कर्मबन्धनः | तदर्थं कर्म कौन्तेय मुक्तसङ्गः समाचर ||३-९||

yajñārthātkarmaṇo.anyatra loko.ayaṃ karmabandhanaḥ . tadarthaṃ karma kaunteya muktasaṅgaḥ samācara ||3-9||

yajña-arthāt
done only for the sake of Yajña, or Viṣṇu
karmaṇaḥ
than work
anyatra
otherwise
lokaḥ
world
ayam
this
karma-bandhanaḥ
bondage by work
tat
of Him
artham
for the sake
karma
work
kaunteya
O son of Kuntī
mukta-saṅgaḥ
liberated from association
samācara
do perfectly

Work done as a sacrifice for Viṣṇu has to be performed; otherwise work causes bondage in this material world. Therefore, O son of Kuntī, perform your prescribed duties for His satisfaction, and in that way you will always remain free from bondage.