Astronomy is written for astronomers

The earth together with its surrounding waters must in fact have such a shape as its shadow reveals, for it eclipses the moon with the arc of a perfect circle.

So, influenced by these advisors and this hope, I have at length allowed my friends to publish the work, as they had long besought me to do.

If there be some who, though ignorant of all mathematics . . . dare to reprove this work, because of some passage of Scripture, which they have miserably warped to their purpose, I regard them not, and even despise their rash judgement.

The Universe, wrought for us by a supremely good and orderly Creator.

More stars in the north are seen not to set, while in the south certain stars are no longer seen to rise.

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