《逸周书·卷十·武纪解》
知道搞错了才要求讲和的，灭亡。不受艰难又不费力而得到大功的，古往今来还没有过。
不难不费，而致大功，古今未有。
Knowing that one has made mistakes and then requesting for peace: perish. Not facing hardships and not exerting efforts yet achieving great achievements: this has never happened in the past or present.
<s>[INST] Convert the following modern Chinese text into Classical Chinese: 知道搞错了才要求讲和的，灭亡。不受艰难又不费力而得到大功的，古往今来还没有过。 [/INST] 不难不费，而致大功，古今未有。</s>
Convert the following modern Chinese text into Classical Chinese: 知道搞错了才要求讲和的，灭亡。不受艰难又不费力而得到大功的，古往今来还没有过。
user
不难不费，而致大功，古今未有。
assistant