Here is the Sanskrit anuvad, Hindi anuvad, and English translation of Sankhya Yoga Chapter 2, Verse 2.12.
Sanskrit
न त्वेवाहं जातु नासं न त्वं नेमे जनाधिपाः । न चैव न भविष्यामः सर्वे वयमतः परम् ॥ २.१२ ॥
Hindi
न तो ऐसा ही है कि मैं किसी कालमें नहीं था, नहीं था अथवा ये राजालोग नहीं थे और न तू ऐसा ही है कि इससे आगे हम सब नहीं रहेंगे|
English
ARJUNA”, always remember, there has never been a time when you or any of the great warriors present here, were not alive or non-existent, nor will we all, at any time, cease to exist and live on in the future.