Nicolaus Copernicus Quote

For when a ship is floating calmly along, the sailors see its motion mirrored in everything outside, while on the other hand they suppose that they are stationary, together with everything on board. In the same way, the motion of the earth can unquestionably produce the impression that the entire universe is rotating.


Book 1, Ch. 8 - De revolutionibus orbium coelestium (1543)

Picture Quote 1

For when a ship is floating calmly along, the sailors see its motion mirrored in everything outside, while on the other hand they suppose that they...

Picture Quote 2

For when a ship is floating calmly along, the sailors see its motion mirrored in everything outside, while on the other hand they suppose that they...

Picture Quote 3

For when a ship is floating calmly along, the sailors see its motion mirrored in everything outside, while on the other hand they suppose that they...

Picture Quote 4

For when a ship is floating calmly along, the sailors see its motion mirrored in everything outside, while on the other hand they suppose that they...