The scientist is not a person who gives the right answers, he is one who asks the right questions.
Language is a form of human reason, which has its internal logic of which man knows nothing.
There is one fact that can be established. The only phenomenon which, always and in all parts of the world, seems to be linked with the appearance of writing is the establishment of hierarchical societies, consisting of masters and slaves, and where one part of the population is make to work for the other part.
(This picture is licensed under the Creative Commons Attribution 3.0 Unported license. - UNESCO/Michel Ravassard)