In regards to Aristotelean quip, “All knowledge comes from the sense.” In classical philosophy, prior to Descartes and Kant, the object would tell the observer what it is. Nonetheless, after the advent of Modern philosophy, most being disciples of Kantian philosophy would assert that man determines what is the truth about any particular object. Ans so It would seem that it would be impossible to explain the concept of color to one who is blind because they could not recognize and interpret the color of the object for themselves. However, it doesn’t then follow that one who is blind cannot come to the knowledge of the truth and existence of color, if these possess As there is two different forms of assent to knowledge The first would involve that typically people would consider science with the senses observing patterns of cause and effect. However, one can assent to a proposition by accepting the authority of the one who gives it. Typically, this is actually how most people accept the truths of everyday life.
Many may present themselves as an uber skeptic; however, living in that manner would likely be impossible. The second form of assent can stem from something such as knowing who is your mother, trusting the GPS on your phone, to knowing that England is an island. As such someone who is blind cannot come to the assent of knowing an object is blue; however, on trusting an authority, even a parent, they can know the truth that colors do exist and vary even if they cannot understand the concept by their own capabilities.