touch, see and feel. Then, Descartes asks that if we cannot be aware that we are dreaming in our dreams how can we be sure that we are not dreaming every time.
             Descartes discusses that the reality around us might be the creation of a 'malignant demon'. He says, "Some malignant demon, who is at once exceedingly potent and deceitful, has employed all his artifice to deceive me (78)". He argues that the earth, sky, figures, colors might be the 'illusions of dream
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