Nature without learning is like a blind man; learning without Nature, like a maimed one; practice without both, incomplete. As in agriculture a good soil is first sought for, then a skilful husbandman, and then good seed; in the same way nature corresponds to the soil, the teacher to the husbandman, precepts and instruction to the seed.

Of the land which the Romans gained by conquest from their neighbours, part they sold publicly, and turned the remainder into common; this common land they assigned to such of the citizens as were poor and indigent, for which they were to pay only a small acknowledgment into the public treasury. But when the wealthy men began to offer larger rents, and drive the poorer people out, it was enacted by law that no person whatever should enjoy more than five hundred acres of ground.

... being perpetually charmed by his familiar siren, that is, by his geometry, he neglected to eat and drink and took no care of his person; that he was often carried by force to the baths, and when there he would trace geometrical figures in the ashes of the fire, and with his finger draws lines upon his body when it was anointed with oil, being in a state of great ecstasy and divinely possessed by his science.

The omission of good is no less reprehensible than the commission of evil.

This excerpt is presented as reproduced by Copernicus in the preface to De Revolutionibus: "Some think that the earth remains at rest. But Philolaus the Pythagorean believes that, like the sun and moon, it revolves around the fire in an oblique circle. Heraclides of Pontus and Ecphantus the Pythagorean make the earth move, not in a progressive motion, but like a wheel in rotation from west to east around its own center."

What All The World Knows Water is the principle, or the element, of things. All things are water.

Politics is not like an ocean voyage or a military campaign... something which leaves off as soon as reached. It is not a public chore to be gotten over with. It is a way of life.