The Academic Questions, Treatise De Finibus, and Tusculan Disputations, of M.T. Cicero, With a Sketch of the Greek Philosophers Mentioned by Cicero

He asserted that water is the origin of all things; that everything is produced out of it, and everything is resolved into it.

他主张水是万物的起源，万物由水生成，最终又复归于水。

His theory was, that air was the first cause of all things, and that the other elements of the universe were resolvable into it.

他的理论认为，气是万物的第一因，宇宙的其他元素都可以还原为气。