“…Cells, tissue, organs, plants, animals, entire populations and ecosystems buzz with communication, incessantly emitting and receiving signals. These signs have been there as long as life itself. They make up the semiosphere, a sphere like the biosphere, but one constituted of messages - sounds, odors, movements, colors, electrical fields, chemical signals - the signs of life. …”

Tabla de Contenidos: “…Godet. - Signe et symbole en théologie, par J. L. Leuba…”