Bhagavad Gita Chapter 4 Verse 15

Gita 4.15

एवम्, ज्ञात्वा, कृृतम्, कर्म, पूर्वैः, अपि, मुमुक्षुभिः,
कुरु, कर्म, एव, तस्मात्, त्वम्, पूर्वैः, पूर्वतरम्, कृृतम्।।15।।

Gita 4.15

Evam’, gyaatva, krtam’, karm, poorvaiH, api, mumukshubhiH,
Kuru, karm, ev, tasmaat’, tvam’, poorvaiH, poorvtaram’, krtam’ ||15||

Translation: (PoorvaiH) of the ancient times (mumukshubhiH) the seekers of salvation (api) even (evam’) thus (gyaatva) knowing, scripture-based sadhna (karm) action (krtm’) have performed with great passion (tasmaat’) therefore (tvam’) you also (poorvaiH) by the ancestors (poorvtaram’, krtm’) always done, scripture-based bhakti (karm) acts (ev) only (kuru) perform. (15)

Gita 4.15: Even the seekers of salvation of the ancient times, after knowing in this way only, have performed the acts of scripture-based sadhna with great passion. Therefore you also perform the scripture-based acts of bhakti as always performed by the ancestors.