One porridge and one meal should be thought of as hard-earned; half a thread, half a thread, constant thought of material difficulties. (from Zhu Bolu's "Family Governance Motto" in the Ming and Qing Dynasties, known as "Zhu Xi's Family Instructions" ) means: When eating every bowl of porridge or every bowl of rice, you should think about how many people have contributed and how much energy has been consumed in this porridge and rice. It is really hard-won; we...