《文心雕龙·体性》
但文辞只是次要的枝叶，而作者的情志才是主要的骨干。
辞为肌肤，志实骨髓。
However, writing is only the secondary branch and foliage, while the author's sentiment is the main backbone.
<s>[INST] Convert the following English text into Classical Chinese: However, writing is only the secondary branch and foliage, while the author's sentiment is the main backbone. [/INST] 辞为肌肤，志实骨髓。</s>
Convert the following English text into Classical Chinese: However, writing is only the secondary branch and foliage, while the author's sentiment is the main backbone.
user
辞为肌肤，志实骨髓。
assistant