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Let us consider a biology student who is reading a work about the genetic code. The student’s reading is the repetition through an act of her own consciousness of the complex processes of conceptualization and theorizing contained in the book, or those that are signified by the printed characters. But, in order for this reading to be possible, the student must turn the pages with her hands as she reads. The student must move her eyes in order to cover it and collect the lines of the text one after the other. When the student becomes tired, she will get up, leave the library, and take the stairs to the cafeteria where she will get some rest and something to eat and drink. The knowledge contained in the biology manual that was assimilated by the student during her reading is scientific knowledge. The knowledge that made possible de movements of the hands and the eyes, the act of getting up, climbing the stairs, drinking and eating, and resting is the knowledge of life. (en) |