No amount of study of present forms [of life] would permit us to infer [the existence of] dinosaurs

A strong feeling of adventure is animating those who are working on bacterial viruses, a feeling that they have a small part in the great drive towards a fundamental problem in biology.

The whole business was like a child's toy that you could buy at the dime store, all built in this wonderful way that you could explain in Life magazine so that really a five-year-old can understand what's going on...This was the greatest surprise for everyone.

No amount of study of present forms [of life] would permit us to infer [the existence of] dinosaurs

[Physicists] feel that the field of bacterial viruses is a fine playground for serious children who ask ambitious questions.

Any living cell carries with it the experience of a billion years of experimentation by its ancestors.

Molecular genetics, our latest wonder, has taught us to spell out the connectivity of the tree of life in such palpable detail that we may say in plain words, "This riddle of life has been solved."