Something that you can see why then do you ask?

Something that you can see why then do you ask?" I said, "That is how my questions are." He said, "Son, you may ask your questions even if they would be foolish ones." I asked, "Do you have eyes?" He said, "Yes, I have eyes." I asked, "What do you do with them?" He said, "I see with them the colors and persons." I asked, "Do you have a nose?" He said, "Yes, I have a nose." I asked, "What do you do with it?" He said, " I use it to smell things." I asked, "Do you have a mouth?" He said, "Yes, I have a mouth." I asked, "What do you do with it?" He said, "I test things with it." I asked, "Do you have ears?" He said, "Yes, I have ears." I asked, "What do you do with them?" He said, "I hear sounds with them." He I asked, "Do you have a heart?" He said, "Yes, I have a heart." I asked, "What do you do with it?" He said, "I distinguish and discern things that come to it from the other senses." I asked, "Why are your others senses independent of your heart and why do they need it?" He said, "They are not independent of my heart." I said, "Why do they need your heart when they are all healthy and sound?" He said, "Son, when the other senses face a doubt about something, such as smell, test, etc., I send it to my heart and it ascertains certainty and discards doubts." I asked him, "Do you mean that Allah has set up the heart to remove doubts from the other senses?" He said, "Yes, that is true." I asked, "Is then the existence of the heart necessary to remove the doubts of the other senses?" He said, "Yes, it is necessary." I then said,…