Nicolaus Copernicus

Astronomy Polish 1473 – 1543 306 quotes

Proposed heliocentric model of the solar system

Quotes by Nicolaus Copernicus

I seek the truth through observation and reason.

Personal reflection

The sun's rays illuminate the wandering stars.

De revolutionibus orbium coelestium 1543

Astronomy requires both theory and calculation.

Professional observation

The earth's rotation causes day and night.

De revolutionibus orbium coelestium 1543

In the vastness of space, our world is but a point.

Personal reflection

Mathematics reveals the harmony of the cosmos.

Attributed aphorism

The planets follow the sun in their courses.

De revolutionibus orbium coelestium 1543

Doubt is the beginning of wisdom in science.

Attributed saying

The fixed stars appear motionless due to their distance.

De revolutionibus orbium coelestium 1543

My hypotheses are not to be taken as absolute truths.

De revolutionibus orbium coelestium 1543

The beauty of the universe lies in its order.

Personal reflection

Revolutions of the spheres explain the phenomena.

De revolutionibus orbium coelestium 1543

Observation must guide astronomical theory.

Professional observation

The cosmos is a divine work of art.

Attributed reflection

Earth's orbit around the sun takes one year.

De revolutionibus orbium coelestium 1543

Science progresses through questioning the old.

Attributed aphorism

The sun stands still at the center.

De revolutionibus orbium coelestium 1543

In my later years, I reflect on the infinity of creation.

Personal letter excerpt 1543

Astronomers should seek simplicity in models.

Professional observation

The truth of the heavens will endure beyond my life.

Deathbed reflection 1543