The past resembles the future more than one drop of water resembles another.

Sedentary culture is the goal of civilization. It means the end of its lifespan and brings about its corruption.

Habits are qualities of the soul.

The term of life of a dynasty does not normally exceed three generations. For in the first generation are still preserved the characteristic features of rough, uncivilized rural life, such as hard conditions of life, courage, ferocity, and partnership in authority. Therefore the strength of the 'Asabiya is maintained.

Geometry enlightlens the intellect and sets one's mind right

People are largely ignorant of the interests of the human species.

Eventually, Aristotle appeared among the Greeks. He improved the methods of logic and systematized its problems and details. He assigned to logic its proper place as the first philosophical discipline and the introduction to philosophy. Therefore he is called the First Teacher.