The soul has two parts, one rational and the other irrational. Let us now similarly divide the rational part, and let it be assumed that there are two rational faculties, one whereby we contemplate those things whose first principles are invariable, and one whereby we contemplate those things which admit of variation.

Only an armed people can be truly free. Only an unarmed people can ever be enslaved.

The activity of happiness must occupy an entire lifetime; for one swallow does not a summer make.

It may be argued that peoples for whom philosophers legislate are always prosperous.

Knowing what is right does not make a sagacious man.

Character is revealed through action.

Philosophy is the science which considers truth.