How Far Can We Rely on the Knowledge Available to Us Through Perception?

Perception is the knowledge we gain through our senses. This essay is to discuss the value of knowledge we get through hearing, feeling, seeing, smelling and tasting.
There is no doubt that humans can survive without some of these tools. Losing one, for example sight, makes the others stronger. But what if you had to do with none of these but one? We can be tricked in every one of these. Sight is probably one of the most important senses for many, but our eyes make us believe things that aren't really there when we're tired, sick, suffering from dehydration or on drugs. …