Sertorius

In the next place, when the same enemies were coming up with many myriads of men and dreadful threats,[*](In 102 B.C.) so that for a Roman even to hold his post at such a time and obey his general was a great matter, while Marius was in command, Sertorius undertook to spy out the enemy. So, putting on a Celtic dress and acquiring the commonest expressions of that language for such conversation as might be necessary, he mingled with the Barbarians; and after seeing or hearing what was of importance, he came back to Marius.