על חיי משה, ספר א ל׳On the Life of Moses, Book I 30

א׳
1[167] But the king of Egypt, seeing, as he thought, that they had lost their way and were traversing a rough and pathless desert, was pleased to find that disaster had befallen their journey, since he judged them to be shut in without an outlet. And, repenting that he had let them go, he essayed to pursue, expecting that he would make the multitude return in fear to renewed slavery, or massacre them wholesale if they proved refractory.
ב׳
2[168] Then he took with him all his cavalry, javelineers, slingers, mounted archers, and all his other light-armed troops, and gave the six hundred finest of his scythed chariots to the men of rank that they might follow in suitable state and take part in the campaign. With unabated rapidity he rushed to the attack, and pushed on eagerly, wishing to come upon them suddenly and unforeseen. For the unexpected ill is ever more troublesome than the expected, since a negligently, compared with a carefully, guarded force is more liable to be successfully attacked.
ג׳
3[169] While he pursued them with these intentions, hoping to win an uncontested victory, they, as it happened, were already encamped on the shores of the sea. And, just as they were preparing to take their early meal, first a mighty din was heard, caused by the host of men and beasts coming on at full speed; and, at the sound, they poured out of their tents, standing on tiptoe to look around and listen with both ears. Then, shortly afterwards, high on the hill, appeared the enemy’s forces, armed and drawn up for battle.