The Annals and the Histories · Ann. 2.20

All this was known to Caesar. He was acquainted with their plans, their positions, with what met the eye, and what was hidden, and he prepared to turn the enemy's stratagems to their own destruction. To Seius Tubero, his chief officer, he assigned the cavalry and the plain. His infantry he drew up so that part might advance on level ground into the forest, and part clamber up the earthwork which confronted them. He charged himself with what was the specially difficult operation, leaving the rest to his officers. Those who had the level ground easily forced a passage. Those who had to assault the earthwork encountered heavy blows from above, as if they were scaling a wall. The general saw how unequal this close fighting was, and having withdrawn his legions to a little distance, ordered the slingers and artillerymen to discharge a volley of missiles and scatter the enemy. Spears were…

Cornelius Tacitus · trans. Church & Brodribb, 1876
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