Three days after seeing each other, treat each other with admiration

Pinyin shì bié sān rì, dāng guā mù xiāng dài

Explanation: Even if you don’t see each other for three days, others have already If you make progress, you can no longer look at people with the same old eyes.

Source: "Three Kingdoms·Wu Zhi·Lu Meng Biography" annotated "Jiang Biao Biography": "After three days of separation, the scholars treated each other with admiration."