《管子·心术下》
气是充实身体的内容，行为是立身持正的仪表。
气者身之充也，行者正之义也。
Energy is the content that fills the body, behavior is the appearance of standing upright. 
<s>[INST] Convert the following modern Chinese text into Classical Chinese: 气是充实身体的内容，行为是立身持正的仪表。 [/INST] 气者身之充也，行者正之义也。</s>
Convert the following modern Chinese text into Classical Chinese: 气是充实身体的内容，行为是立身持正的仪表。
user
气者身之充也，行者正之义也。
assistant