Soon afterwards one of his own slaves murdered the city-prefect, Pedanius Secundus, either because he had been refused his freedom, for which he had made a bargain, or in the jealousy of a love in which he could not brook his master's rivalry. Ancient custom required that the whole slave-establishment which had dwelt under the same roof should be dragged to execution, when a sudden gathering of the populace, which was for saving so many innocent lives, brought matters to actual insurrection. Even in the Senate there was a strong feeling on the part of those who shrank from extreme rigour, though the majority were opposed to any innovation. Of these, Caius Cassius, in giving his vote, argued to the following effect:—