受任于败军之际,奉命于危难之间,尔来二十有一年矣。
译文:在兵败的时候接受任务,在危机患难之间奉行使命,到如今已经有二十一年了。
"The past is always present, it's just that sometimes it's more present than at other times."
The only thing that is real is the present moment.