Here is the Sanskrit anuvad, Hindi anuvad, and English translation of Moksha-Sanyasa Yoga Chapter 18, Verse 18.23.
Sanskrit
नियतं सङ्गरहितमरागद्वेषतः कृतम् । अफलप्रेप्सुना कर्म यत्तत्सात्त्विकमुच्यते ॥ १८.२३ ॥
Hindi
जो कर्म शास्त्र विधि से नियत किया हुआ और कर्तापन के अभिमान से रहित हो तथा फल न चाहने वाले पुरुष द्वारा बिना राग-द्बेष के किया गया हो, वह सात्विक कहा जाता है ।
English
The Blessed Lord explained: When work is done as if it were a sacred task, Without any selfish, motives, with a peaceful mind, without any feelings of lust and hate, and without any desire for rewards, I consider this work to be pure and SATTVIC.