the ox is mammal? I said that not. Then it spoke: Preste attention! You find that the ox does not suck? I did not say more nothing, freed a laugh and took off note low. But this I bet that it is error! Tomorrow exactly I go to complain, therefore never vi ox suck! Who breast is very the year-old calf! ‘ ‘ Unknown author Many times the people costumam to judge the others for the appearance, for the way to speak, to dress, for the intelligence level. However, never they stop to make autocrtica. In the text, for example, the teacher does not take in consideration the empirical knowledge of the child, giving it a note low. As it is seen, the knowledge if divides in different levels, becoming distorted, to the times, the idea that if has of knowing. The linguistics, science that studies the language in its different levels (cultured, coloquial, religious, regional), it values its interlocutors in the contexts where they are inserted, attributing they one weight> equalitrio. To speak well nor always means to know more. Thus it would have to be in the life. To value the differences and if to adapt to the different contexts are most intelligent!