Illusory Perception of Reality

rajjusarpa nyāyaḥ (rope or snake)

A man in the dark mistakes the rope to be a snake or snake to be a rope.


In Vedic literature, such as Śrīmad-Bhāgavatam 6.9.37, this confusion is mentioned many times. The demigods are saying to Lord Viṣṇu:


sama-viṣama-matīnāṁ matam anusarasi