A rope causes fear for a bewildered person who considers it a snake, but not for a person with proper intelligence who knows it to be only a rope. Similarly, You, as the Supersoul in everyone’s heart, inspire fear or fearlessness according to one’s intelligence, but in You there is no duality.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
समविषममतीनां मतमनुसरसि यथा रज्जुखण्डः सर्पादिधियाम्
samaviṣamamatīnāṃ matamanusarasi yathā rajjukhaṇḍaḥ sarpādidhiyām
SB 6.9.37