On returning to Rome, he built a house for himself near the forum, either, as he himself said, because he was unwilling that those who paid their respects to him should have the trouble of coming a long distance, or because he thought that distance was the reason why he did not have larger crowds at his door than others. The reason, however, was not of this nature; it was rather his inferiority to others in the graces of intercourse and in political helpfulness, which caused him to be neglected, like an instrument of war in time of peace.
Of all those who eclipsed him in popular esteem he was most vexed and annoyed by Sulla, whose rise to power was due to the jealousy which the nobles felt towards Marius, and who was making his quarrels with Marius the basis of his political activity. And when Bocchus the Numidian, who had been designated an ally of the Romans, set up trophy-bearing Victories on the Capitol, and by their side gilded figures representing Jugurtha surrendered by him to Sulla, Marius was transported with rage and fury to see Sulla thus appropriating to himself the glory of his achievements, and was making preparations to tear down the votive offerings.
But Sulla too was furious, and civil dissension was just on the point of breaking out, when it was stopped by the Social War, which suddenly burst upon the city. 1
That is, the most warlike and most numerous of the Italian peoples combined against Rome, and came within a little of destroying her supremacy, since they were not only strong in arms and men, but also had generals whose daring and ability were amazing and made them a match for the Romans.