The chain of events leading to man commenced suddenly and sharply, at a definite moment in time, in a flash of light and energy.
Robert JastrowSometime in the first billion years, life appeared on the earth's surface. Slowly, the fossil record indicates, living organisms climbed the ladder from simple to more advanced forms.
Robert JastrowThe fossil record contains no trace of these preliminary stages in the development of many-celled organisms.
Robert JastrowFor the scientist who has lived by his faith in the power of reason, the story ends like a bad dream. He has scaled the mountains of ignorance; he is about to conquer the highest peak; as he pulls himself over the final rock, he is greeted by a band of theologians who have been sitting there for centuries.
Robert Jastrow