Timoleon
Plutarch
Plutarch. Plutarch's Lives, Vol. VI. Perrin, Bernadotte, translator. Cambridge, MA: Harvard University Press; London: William Heinemann Ltd., 1918.
As for Mamercus, he gave himself up to Timoleon on condition that he should undergo trial at Syracuse, and that Timoleon should not denounce him.
So he was brought to Syracuse, and when he came before the people, attempted to rehearse a speech composed by him a long time before; but being received with noise and clamour, and seeing that the assembly was inexorable, he flung away his mantle, ran right across the theatre, and dashed head foremost against one of the stone steps, hoping to kill himself.
However, he was not so fortunate as to die in this way, but was taken away, still living, and crucified like a robber.
In this manner, then, did Timoleon extirpate the tyrannies and put a stop to their wars. He found the whole island reduced to a savage state by its troubles and hated by its inhabitants, but he made it so civilized and so desirable in the eyes of all men that others came by sea to dwell in the places from which their own citizens used to run away before.