The soul suffers when the body is diseased or traumatized, while the body suffers when the soul is ailing.

Through discipline comes freedom.

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

That rule is the better which is exercised over better subjects.

To leave the number of births unrestricted, as is done in most states, inevitably causes poverty among the citizens, and poverty produces crime and faction.

[this element], the seat of the appetites and of desire in general, does in a sense participate in principle, as being amenable and obedient to it

He who has conferred a benefit on anyone from motives of love or honor will feel pain, if he sees that the benefit is received without gratitude.