《资治通鉴·梁纪·梁纪十四》
如果不能够杀贼，又不能被贼兵打伤，那我跟那此靠舞文弄墨，谈天说地吃饭的人有什么两样？ 
若不能杀贼，又不为贼所伤，何异逐坐人也！ 
If you can’t kill the enemy or can’t be injured by the enemy, then what is the difference between me and those people who only know how to talk and eat? 