《论衡·卷二·无形篇》
器皿的形体已经形成，不能再缩小与扩大；人的身体已经定型，也不能再变矮与增高。
器形已成，不可小大；人体已定，不可减增。
The shape of a vessel has already been formed, and it can no longer be reduced or expanded; the human body has already taken shape, and it can no longer become shorter or taller.