karmayoga - Verse śloka 19
śloka 19
tasmādasaktaḥ satataṃ kāryaṃ karma samācara |
asakto hyācarankarma paramāpnoti pūruṣaḥ ||3-19||
Translation
Therefore, without attachment, always perform your duty properly; for the unattached man, performing action attains the Supreme Self.