For the poison of hatred seated near the heart doubles the burden for the one who suffers the disease; he is burdened with his own sorrow, and groans on seeing another's happiness.
[Hermes addresses Prometheus :] To you, the clever and crafty, bitter beyond all bitterness, who has sinned against the gods in bestowing honors upon creatures of a day--to you, thief of fire, I speak.
Human prosperity never rests but always craves more, till blown up with pride it totters and falls. From the opulent mansions pointed at by all passers-by none warns it away, none cries, 'Let no more riches enter!'.