Bhagavad Gita 18.46

यतः प्रवृत्तिर्भूतानां येन सर्वमिदं ततम्।स्वकर्मणा तमभ्यर्च्य सिद्धिं विन्दति मानवः ॥१८.४६॥

yataḥ pravṛttirbhūtānāṃ yena sarvamidaṃ tatamsvakarmaṇā tamabhyarcya siddhiṃ vindati mānavaḥ

He from whom all the beings have evolved and by whom all this is pervaded, worshipping Him with his own duty, one attains perfection.

गीता