Bhagavad Gītā Chapter 2, Verse 16: Krishna to ArjunaSāṅkhya-Yoga

Bhagavad Gītā 2.16Chapter 2 · Sāṅkhya-Yoga · KrishnaArjuna · anuṣṭubh
नासतो विद्यते भावो नाभावो विद्यते सतः
उभयोरपि दृष्टो ऽन्तस् त्वनयोस् तत्त्वदर्शिभिः
nāsato vidyate bhāvo nābhāvo vidyate sataḥ
ubhayor api dṛṣṭo 'ntas tv anana(252 verses)not (negation particle)yos tattvatattva(14 verses)compound (compound member)thatness, principle, reality-darśibhiḥdarśin(3 verses)instrumental masculine plural nounseer, one who sees (from √dṛś + -in)
spokensingle-voice recital; rendered via IndicF5 conditioned on a Sanskrit reference clip
meaning

The unreal never comes into being; the real never ceases to be. Those who see clearly have found this to be the nature of both.