Abstract
Teyyar eschatology, as a doctrine of the ultimate destiny of mankind, is deeply rooted in the concept of the ultimate goal, which is regarded as a true result, though it emerges as a tool designed to fill some of the emptiness created by humanity in the course of natural science practice. Teillard felt that the deplorable state of modern mankind was the result of his neglect of eschatology, his inability to adapt to the needs of his activities, and his lack of courage in further design. "A lighter skyscraper of hope is being constructed," G. Grespi notes. The belief that the Earth is exhausting its limited resources necessarily leads to the thought of the destruction of the Earth.