Canonical Ref: YS 1.14
Sanskrit (Devanāgarī)
स तु दीर्घकालनैरन्तर्यसत्कारासेवितो दृढभूमिः
English Scholarly Translation
Practice becomes firmly grounded when continued with reverent devotion and without interruption over a long period of time
व्याख्या / Traditional Commentary & Notes
Classical Exegesis
That (sa tu), if done over a long time (dīrgha-kāla), without interruption (nairantarya), and with sincere devotion (satkāra-sevitaḥ), becomes firmly (dṛḍha) established (bhūmiḥ)
Canonical CTS URN Reference
Pātañjala Yoga Sūtras, YS 1.14. Poorvam Open Research Engine (PORE) Corpus.