His beliefs questioned everything around us; everything we thought we knew existed could potentially be a hallucination or just one life long dream. Descartes speaks of how in his dream; it feels as though he is really sitting beside a fire. Upon waking up he realizes this is just a dream and all of this is just an illusion in his mind. So now the question exists, how do individuals know what is perceived everyday is actually real, or is it all just a dream like illusion. An excerpt from “Meditations on First Philosophy” by Descartes supports this …show more content…
How, then, do I know that he has not arranged that there should be neither earth, nor sky, nor any extended thing, nor figure, nor magnitude, nor place, providing at the same time, however, for [the rise in me of the perceptions of all these objects, and] the persuasion that these do not exist otherwise than as I perceive them? And further, as I sometimes think that others are in error respecting matters of which they believe themselves to possess a perfect knowledge, how do I know that I am not also deceived each time I add together two and three, or number the sides of a square, or form some judgment still more simple, if more simple indeed can be imagined? But perhaps Deity has not been willing that I should be thus deceived, for he is said to be supremely good. If, however, it were repugnant to the goodness of Deity to have created me subject to constant deception, it would seem likewise to be contrary to his goodness to allow me to be occasionally deceived; and yet it is clear that this is permitted” (para