In order for a war to be just, three things are necessary. First, the authority of the sovereign. Secondly, a just cause. Thirdly, a rightful intention.
Good can exist without evil, whereas evil cannot exist without good.
Well-ordered self-love is right and natural.
Whatever is received is received according to the nature of the recipient.
There is nothing on this earth more to be prized than true friendship.
God should not be called an individual substance, since the principal of individuation is matter.
