That moderation which nature prescribes, which limits our desires by resources restricted to our needs, has abandoned the field; it has now come to this -- that to want only what is enough is a sign both of boorishness and of utter destitution.
Seneca the YoungerIt is a common thing to screw up justice to the pitch of an injury. A man may be over-righteous, and why not over-grateful, too? There is a mischievous excess that borders so close upon ingratitude that it is no easy matter to distinguish the one from the other; but, in regard that there is good-will in the bottom of it, however distempered; for it is effectually but kindness out of the wits.
Seneca the Younger