In so many and such important ways, then, do the planets bear witness to the earth's mobility.

Moreover, since the sun remains stationary, whatever appears as a motion of the sun is really due rather to the motion of the earth.

In so many and such important ways, then, do the planets bear witness to the earth's mobility.

For what could be more beautiful than the heavens which contain all beautiful things.

Of all things visible, the highest is the heaven of the fixed stars.

The massive bulk of the earth does indeed shrink to insignificance in comparison with the size of the heavens.

At rest, however, in the middle of everything is the sun.