De Imperio Cn. Pompei Ad Quirites

At present I will not say more; for the result of these feelings of theirs was, that they were more anxious for a speedy return home than for any further advance into the enemies' country. But Mithridates had by this time strengthened his army by reinforcements of those men belonging to his own dominions who had assembled together, and by large promiscuous forces belonging to many other kings and tribes. And we see that this is almost invariably the case, that kings when in misfortune easily induce many to pity and assist them, especially such as are either kings themselves, or who live under kingly power, because to them the name of king appears something great and sacred.