We don’t know .each other except by the signs, the words, which enable us to communicate and to have a common activity. Now this, of course, was another anticipation of the life of the technical society in which we are existing, which developed first of all in those countries in which nominalism was predominant, as in England and in this country The attitude of the relationship between man and man, between man and things, is nominalistic, in this country in the traditions of American philosophy, as it is largely in England and in some Western European countries. The substantial unity which was preserved by realistic thinking has disappeared.