《后汉书·列传·张法滕冯度杨列传》
勇气不可仗恃，不能操必胜之权。
勇不可恃，胜不可必。
We cannot rely on our courage, and we cannot be assured of a victory.
<s>[INST] Rewrite the following English passage in the style of Classical Chinese: We cannot rely on our courage, and we cannot be assured of a victory. [/INST] 勇不可恃，胜不可必。</s>
Rewrite the following English passage in the style of Classical Chinese: We cannot rely on our courage, and we cannot be assured of a victory.
user
勇不可恃，胜不可必。
assistant