A second type of direct evidence is formed by statements, whether as formal legends or personal information, regarding the age or relative sequence of events in tribal history made by the natives themselves.

A firm, for instance, that does business in many countries of the world is driven to spend an enormous amount of time, labour, and money in providing for translation services.

Nonverbal communication is an elaborate secret code that is written nowhere, known by none, and understood by all.

I am convinced that the stratigraphic method will in the future enable archaeology to throw far more light on the history of American culture than it has done in the past.

The fact of the matter is that the 'real world' is to a large extent unconsciously built up on the language habits of the group.

In a sense, every form of expression is imposed upon one by social factors, one's own language above all.

Comparison of statements made at different periods frequently enable us to give maximal and minimal dates to the appearance of a cultural element or to assign the time limits to a movement of population.