... a science must deal with a subject and its properties.

Women who are with child should be careful of themselves; they should take exercise and have a nourishing diet. The first of these prescriptions the legislator will easily carry into effect by requiring that they should take a walk daily to some temple, where they can worship the gods who preside over birth. Their minds, however, unlike their bodies, they ought to keep quiet, for the offspring derive their natures from their mothers as plants do from earth.

Finally, if nothing can be truly asserted, even the following claim would be false, the claim that there is no true assertion.

The same thing may have all the kinds of causes, e.g. the moving cause of a house is the art or the builder, the final cause is the function it fulfils, the matter is earth and stones, and the form is the definitory formula.

Wicked men obey out of fear. good men, out of love

It is a part of probability that many improbable things will happen.

Virtue is more clearly shown in the performance of fine ACTIONS than in the non-performance of base ones.