Of Matter.

Matter is that first being which is substrate for generation, corruption, and all other alterations.

The disciples of Thales and Pythagoras, with the Stoics, are of opinion that matter is changeable, mutable, convertible, and sliding through all things.

The followers of Democritus aver that the vacuum, the atom, and the incorporeal substance are the first beings, and not obnoxious to passions.

Aristotle a............