Original sentence: (Josephus) was conceited, not only about his own learning but also about the opinions held of him as commander both by the Galileans and by the Romans; he was guilty of shocking duplicity at Jotapata, saving himself by sacrifice of his companions; he was too naive to see how he stood condemned out of his own mouth for his conduct, and yet no words were too harsh when he was blackening his opponents; and after landing, however involuntarily, in the Roman camp, he turned his captivity to his own advantage, and benefitted for the rest of his days from his change of side..
Edited sentence: (Josephus) was conceited, not only about his own learning but also about the opinions held of him as commander both by the Galileans and by the Romans; he was guilty of shocking duplicity at Jotapata, saving himself by sacrifice of his companions (although, in all fairness, it must be pointed that his companions rejected Josephus' suggestion to surrender and chose suicide over life in captivity); he was too naive to see how he stood condemned out of his own mouth for his conduct, and yet no words were too harsh when he was blackening his opponents; and after landing, however involuntarily, in the Roman camp, he turned his captivity to his own advantage, and benefitted for the rest of his days from his change of side..