Bhagavad Gita 2.12
न त्वेवाहं जातु नासं न त्वं नेमे जनाधिपाः। न चैव न भविष्यामः सर्वे वयमतः परम्।।2.12।।
na tvevāhaṃ jātu nāsaṃ na tvaṃ neme janādhipāḥ| na caiva na bhaviṣyāmaḥ sarve vayamataḥ param||2.12||
na tvevaham jatu nasam na tvam neme janadhipah na caiva na bhavishyamah sarve vayamatah param2.12
Meaning
Krishna teaches the eternality of the soul: There was never a time when I, you, or these kings did not exist, nor will there be a time when we shall cease to be. The soul is without beginning or end.
ऐसा नहीं है कि मैं किसी काल में नहीं था, न तुम थे और न ये राजा थे। और ऐसा भी नहीं है कि हम सब इसके आगे नहीं रहेंगे।
This is verse 12 of 72 in Chapter 2 (Sankhya Yoga) of the Bhagavad Gita.