Verse 4.2

एवं परम्पराप्राप्तमिमं राजर्षयो विदुः। स कालेनेह महता योगो नष्टः परन्तप।।4.2।।

evaṁ paramparā-prāptam imaṁ rājarṣhayo viduḥ sa kāleneha mahatā yogo naṣhṭaḥ parantapa

Meaning

Yo, this ancient knowledge, passed down through the royal sage fam, was, like, totally known. But, fam, this Yoga got lost in translation over time, Parantapa.

Commentary

No cap, the OG kings who were also low-key enlightened af knew this Yoga stuff. And yo, Arjuna? 'Parantapa' means you're a straight-up foe-roasting fiend, like, sun-level heat with your power. Bet.