Bhagavad Gītā Chapter 2, Verse 16: Krishna to Arjuna — Sāṅkhya-Yoga

Bhagavad Gītā 2.16Chapter 2 · Sāṅkhya-Yoga · Krishna → Arjuna · anuṣṭubh
नासतो विद्यते भावो नाभावो विद्यते सतः ।
उभयोरपि दृष्टो ऽन्तस् त्वनयोस् तत्त्वदर्शिभिः ॥
nāsato vidyate bhāvo nābhāvo vidyate sataḥ
ubhayor api dṛṣṭo 'ntas tv ana← na(252 verses)not (negation particle)yos tattva← tattva(14 verses)compound (compound member)thatness, principle, reality-darśibhiḥ← darśin(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.