Lewis Henry Morgan

The human mind, in its normal condition, is one and the same in all individuals of all races, and its operations are governed by the same laws.

The successive stages of human progress are marked by the successive inventions and discoveries which have given to man the mastery over the forces of nature.

The principal institutions of mankind have been developed from a few primary germs of thought.

The family is the unit of the social system, and its successive forms have been determined by the successive stages of human progress.

The idea of property, as it exists in the civilized world, is of comparatively modern origin.

The growth of intelligence is the measure of human progress.

The experience of mankind has been substantially the same in all ages and in all countries.

The most important of all human institutions is the family.

The human race commenced at the bottom of the scale and worked its way up.

The history of the human family is the history of its institutions.

The progress of mankind has been from savagery to barbarism, and from barbarism to civilization.

The institutions of society are the outgrowth of the necessities of mankind.

The development of property has been one of the most powerful agencies in the advancement of civilization.

The human mind is a unit, and its operations are governed by the same laws in all races.

The successive stages of human progress are marked by the successive inventions and discoveries.

The family is the unit of the social system.

The history of the family is the history of the human race.

A primitive institution is a body of usages, which, in the course of time, have become fixed and established.

The dissolution of the gentile organization was the beginning of the dissolution of barbarism.

Democracy, resting on the one hand upon the equality of rights, and upon the other upon the equality of duties, is the form of society which best promotes the development of human nature.