巢元方：诸病源候论·第630则

再易之地，家三百畝。《遂人》：上地，夫一廛，田百畝，萊五十畝，餘夫亦如之。中地，夫一廛，田百畝，萊百畝，餘夫亦如之。下地，夫一廛，田百畝，萊二百畝，餘夫亦如之。《小司徒》上地，家七人，可任也者家三人；中地，家六人，可任也者二家五人；下地，家五人，可任也者家二人。」《大司馬》：「上地，食者三之二；中地，食者半；下地，食者三之一。」三等之地，經中四見，然皆分土任民，侯國與王國，鄉遂公邑與采地，並不容有異。夫不易者，膏腴上地而必益以萊地之五…

This Cato was, by the loss of both his parents, left an orphan, together with his brother Caepio, and his sister Porcia. He had also a half-sister, Servilia, by the mother's side. All these lived together, and were bred…

"Ah, gentlemen," I said, "there is the point. A little more money and you could have had the indestructible wrought-iron and your bridge would stand against any steamboat. We never have built and we never will build a…