1. What you eat is grass and what you give is milk. Obscurity and selfless dedication.

2. With a cold eyebrow and a thousand fingers, he bows his head and is willing to be a Ruzi Niu. ——Lu Xun.

3. I am like a cow. What I eat is grass and what I squeeze out is milk and blood. ——Lu Xun.

4. With a cold eyebrow and a thousand fingers, he bows his head and is willing to be a Ruzi Niu. ——Lu Xun.