Circular motion Quote by Thomas Aquinas

Accordingly, since nothing prevents the earth from moving, I suggest that we should now consider also whether several motions suit it, so that it…

— Nicolaus Copernicus

Yet if anyone believes that the earth rotates, surely he will hold that its motion is natural, not violent.

— Nicolaus Copernicus

It is clear, then, that the earth must be at the centre and immovable, not only for the reasons already given, but also because…

— Aristotle

It is clear that the earth does not move, and that it does not lie elsewhere than at the center.

— Aristotle

I shall now recall to mind that the motion of the heavenly bodies is circular, since the motion appropriate to a sphere is rotation…

— Nicolaus Copernicus

Since, then, there is no objection to the mobility of the Earth, I think it must now be considered whether several motions are appropriate…

— Nicolaus Copernicus

Hence I feel no shame in asserting that this whole region engirdled by the moon, and the center of the earth, traverse this grand…

— Nicolaus Copernicus

All motion is cyclic. It circulates to the limits of its possibilities and then returns to its starting point.

— Robert Collier

The earth also is spherical, since it presses upon its center from every direction.

— Nicolaus Copernicus

The world is but a perennial movement. All things in it are in constant motion-the earth, the rocks of the Caucasus, the pyramids of…

— Michel de Montaigne

Absolute space, that is to say, the mark to which it would be necessary to refer the earth to know whether it really moves,…

— Henri Poincare

After Galileo was convicted (for heresy by the Spanish Inquisition) for his theory that the Earth revolved around the sun, ... he replied, `Still,…

— Junichiro Koizumi