Ernst Mayr

Biology German-American 1904 – 2005 100 quotes

Architect of the modern synthesis who emphasized species as the key to evolution.

Quotes by Ernst Mayr

To a biologist, the world is a place of endless diversity.

Book 1988

Scientific progress is measured by the increase in precision of predictions.

Book 1991

The species problem is the most fundamental problem in biology.

Book 1942

Evolution does not work toward perfection; it works toward adaptation.

Interview 2001

Life's diversity is its greatest wonder.

Letter

The gene is the unit of heredity, but the organism is the unit of selection.

Book 1982

Biology without evolution is meaningless.

Book 1963

In science, we must always be prepared to abandon our hypotheses.

Speech 1991

The origin of species is a question of populations, not individuals.

Book 1942

Nature is not teleological; it is opportunistic.

Book 1988

Every species is a unique historical entity.

Book 1963

The joy of discovery in biology is unmatched.

Interview 2001

Reductionism has its limits in biology.

Book 1982

Evolution is creative, but not directed.

Book 1991

The fossil record tells a story of contingency.

Book 1988

Life on Earth is a grand experiment.

Speech

Species boundaries are real, but fluid.

Book 1942

Science thrives on skepticism.

Book 1963

The diversity of life reflects the creativity of evolution.

Interview 2001

In biology, wholes are more than the sum of parts.

Book 1982