Here is the Sanskrit anuvad, Hindi anuvad, and English translation of Sankhya Yoga Chapter 2, Verse 2.26.
Sanskrit
अथ चैनं नित्यजातं नित्यं वा मन्यसे मृतम् । तथापि त्वं महाबाहो नैवं शोचितुमर्हसि ॥ २.२६ ॥
Hindi
किन्तु यदि तू इस आत्माको सदा जन्मनेवाला तू तथा सदा मरनेवाला मानता हो, तो भी हे महाबाहो ! तू इस प्रकार शोक करनेको योग्य नहीं है|
English
Even if you incorrectly believe. O ARJUNA, that the Soul is constantly taking birth and dying, you should still not become upset and filled with grief and sadness.