Chanakya NitiAnushtubh
निर्विषेणापि सर्पेण कर्तव्या महती फणा । विषमस्तु न चापि अस्तु फणाटोपो भयंकरः ॥
Even a non-poisonous snake should raise its hood fully. Whether or not it actually holds poison, the fearsome display is itself enough to strike terror.
abyasam.com/en/subhashitam/sub-nirvishenapi-sarpena-085
appearancestrategysnakedisplay of power