sāṃkhyayoga - Verse śloka 25
śloka 25
avyakto'yamacintyo'yamavikāryo'yamucyate |
tasmādevaṃ viditvainaṃ nānuśocitumarhasi ||2-25||
Translation
This Atman is said to be unmanifest, incomprehensible and immutable; therefore, knowing it thus, it is not fitting for you to grieve.