Nature does nothing in vain.

He who sees things grow from the beginning will have the best view of them.

Men are divided between those who are as thrifty as if they would live forever, and those who are as extravagant as if they were going to die the next day.

Rhetoric may be defined as the faculty of observing in any given case the available means of persuasion.

Poetry is finer and more philosophical than history; for poetry expresses the universal, and history only the particular.

The greatest crimes are caused by surfeit, not by want.

It is clear, then, that the earth must be at the centre and immovable, not only for the reasons already given, but also because heavy bodies forcibly thrown quite straight upward return to the point from which they started, even if they are thrown to an infinite distance. From these considerations then it is clear that the earth does not move and does not lie elsewhere than at the centre.