One who's our friend is fond of us; one who's fond of us isn't necessarily our friend.
Seneca the YoungerNo man is born wise; but wisdom and virtue require a tutor; though we can easily learn to be vicious without a master.
Seneca the YoungerThe stomach begs and clamors, and listens to no precepts. And yet it is not an obdurate creditor; for it is dismissed with small payment if you give it only what you owe, and not as much as you can.
Seneca the Younger