Regum et imperatorum apophthegmata

When Archelaus, at a convivial gathering, was asked for a golden cup by one of his acquaintances of a type not commendable for character, he bade the servant give it to Euripides; and in answer to the man’s look of astonishment, he said, It is true that you have a right to ask for it, but Euripides has a right to receive it even though he did not ask for it.