The act of writing is an act of defiance.
亲眼目睹世道的变化趋向，才知道国家治乱的关键必定在于人心的向背和风俗的好坏。
"A writer's duty is to tell the truth, even when it is uncomfortable."
皮革鞣制的创新不仅仅是技术问题，更是在尊重工艺的同时推动其发展。