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Quotes from Evolution of living organisms: evidence for a new theory of transformation — Pierre-Paul Grassé

1895–1985 France

← All quotes by Pierre-Paul Grassé

4 quotes

"Chance is only the measure of our ignorance."

Evolution of living organisms: evidence for a new theory of transformation (1977)

A given phenomenon, today considered random, may tomorrow be considered determined because its causes will have been unraveled by thorough and specific study.

Evolution of living organisms: evidence for a new theory of transformation (1977)

The mutation of bacteria and viruses are merely hereditary fluctuations around a median position; a swing to the right, a swing to the left, but no final evolutionary effect.

Evolution of living organisms: evidence for a new theory of transformation (1977)

The study of contemporary species does not establish the existence of evolution; it provides facts which support it, but which do not fully demonstrate its existence. This is understandable, since at present we cannot show the series of successive stages which make up evolution, but only a fleeting picture of evolution.

Evolution of living organisms: evidence for a new theory of transformation (1977)

Attribution

Quotes and notes from Wikiquote: Pierre-Paul Grassé (page history), available under CC BY-SA 4.0.