sāṃkhyayoga - Verse śloka 48
śloka 48
yogasthaḥ kuru karmāṇi saṅgaṃ tyaktvā dhanañjaya |
siddhyasiddhyoḥ samo bhūtvā samatvaṃ yoga ucyate ||2-48||
Translation
O Dhananjaya! Abandoning attachment and remaining equipoised in success and failure, perform action established in Yoga. This equipoise is called Yoga.