Every human being relies on and is bounded by his knowledge and experience to live. This is what we call โrealityโ. However, knowledge and experience are ambiguous, thus reality can become illusion. Is it not possible to think that, all human beings are living in their assumptions?
Masashi KishimotoSasuke: Snakes can sense things through temperature, and they can also do it with their sense of smell by passing the smell in the mouth." Itachi: You've learnt a lot...Dr. Snakes
Masashi Kishimoto