BG 18.23

नियतं सङ्गरहितमरागद्वेषतः कृतम् ।
अफलप्रेप्सुना कर्म यत्तत्सात्त्विकमुच्यते ॥२३॥

niyataṁ saṅga-rahitam
arāga-dveṣataḥ kṛtam
aphala-prepsunā karma
yat tat sāttvikam ucyate

niyatam - regulated; saṅga-rahitam - without attachment; arāga-dveṣataḥ - without love or hatred; kṛtam - done; aphala-prepsunā - by one without desire for fruitive result; karma - action; yat - which; tat - that; sāttvikam - in the mode of goodness; ucyate - is called.

Text

That action which is regulated and which is performed without attachment, without love or hatred, and without desire for fruitive results is said to be in the mode of goodness.

Purport

Regulated occupational duties, as prescribed in the scriptures in terms of the different orders and divisions of society, performed without attachment or proprietary rights and therefore without any love or hatred, and performed in Kṛṣṇa consciousness for the satisfaction of the Supreme, without self-satisfaction or self-gratiﬁcation, are called actions in the mode of goodness.

Bhagavad Gita As It Is.

Chapter 18: Conclusion — The Perfection of Renunciation. Text 23

That action which is regulated and which is performed without attachment, without love or hatred, and without desire for fruitive results is said to be in the mode of goodness.