The basis of a democratic state is liberty

All that one gains by falsehood is, not to be believed when he speaks the truth.

Thus every action must be due to one or other of seven causes: chance, nature, compulsion, habit, reasoning, anger, or appetite.

Justice is Equality...but equality of what?

Most persons think that a state in order to be happy ought to be large; but even if they are right, they have no idea of what is a large and what a small state.... To the size of states there is a limit, as there is to other things, plants, animals, implements; for none of these retain their natural power when they are too large or too small, but they either wholly lose their nature, or are spoiled.

The shape of the heaven is of necessity spherical; for that is the shape most appropriate to its substance and also by nature primary.

It is the mark of an educated mind to rest satisfied with the degree of precision which the nature of the subject admits and not to seek exactness where only an approximation is possible.