Bhagavad Gita, Chapter 3, Verse 19

तस्मादसक्तः सततं कार्यं कर्म समाचर । असक्तो ह्याचरन्कर्म परमाप्नोति पूरुषः

tasmādasaktaḥ satataṃ kāryaṃ karma samācara | asakto hyācarankarma paramāpnoti pūruṣaḥ

Translation

Therefore, without attachment, constantly perform the action which should be done; for, performing action without attachment, man reaches the Supreme.

— Alladi Mahadeva Sastri

Word meanings

tasmāt
therefore
asaktaḥ
unattached
satatam
always
kāryam
(necessary) to be done
karma
action
samācara
perform
asaktaḥ
unattached
hi
indeed
ācaran
performing
karma
action
param
the Supreme
āpnoti
obtains
pūruṣaḥ
man

Śaṅkarācārya's commentary

Performing action, without attachment, for the sake of the Īśvara, man attains mokṣa, through attaining purity of mind (sattva-śuddhi).