To question, not to speak by general information by having the direction about universal, it is to show an agility of spirit able to judge the things. This is why philosophy is taught like disciplines critical with the college as at the university, as well one estimates as such an attitude of spirit is essential with the training of the future citizen, under the terms of three qualities of criticism which are not to be neither dogmatic, nor skeptic, but free.
Initially, critical being, it is not to be dogmatic while sometimes knowing to be skeptic. In the religious field, the dogma indicates working of the faith.
The "dogmatic" fact to be translated, him, one through which consists in affirming a certain number of things without proof, in a unilateral and peremptory way, while being based either on an intimate conviction, or on doctrines which one repeats. In the history, dogmatism was always the fact of those which believed to hold the truth. In general, this theoretical violence is always the prelude to practical violences. From where importance to doubt, in order to question thoughts which are not questioned any more.Socrat (470-399 front. J.-C.), in Antiquity, andMontaigne (1533-1592) for the modern world were the large Masters of the doubt.

Philosophy and skepticism

In the second place, critical being, it were born not to be completely skeptic while sometimes knowing to be dogmatic.
Because if to doubt is necessary, there are doubt and doubt. To doubt all without doubting the doubt, one ends quickly up pouring in a destroying dogmatism. On the other hand, namely to stop his doubt by recognizing that there are things not only real but also true, one avoids violence. If the dogmatic ones often started violences which crossed the history, skeptics too. Not believing of anything, those always ended up being cynical and opportunist. From where importance of a minimum of adhesion to theses or fundamental values.
In Antiquity,Plato (428-348 front. J.-C.) the theory of the ideas defended, in order to oppose the reality of the "forms" which model the world with a theory of the chaos of nature making it possible to do all and anything.

Neither dogmatic nor skeptic, while being skeptic with regard to dogmatism and conversely, the fact of being critical finally consists in being free in the existence and delivering the freedom contained in it. To arrive at this stage, it is to have achieved a personal "revolution" while having returned with oneself, as the planets revientient with their starting point. The reflexion which is return on oneself, is like the revolution of a planet.Kant, through its three critical (Critical of the pure reason - 1781, Critical of the practical reason - 1788, and Critical of faculty to judge - 1790) centered all its philosophy on criticism. Vis-a-vis with the dogmatism which defends, in an abrupt way, the ideas of truth, the good and beautiful, and vis-a-vis with the skepticism, which relativizes all in order to escape from dogmatism, it endeavoured to show that the man cannot contain the absolute because he is not God but man. Nevertheless, it can build the world of the man by symbolizing a certain number of things by science, the moral action or the beautiful one and sublimates it.