让他三尺

萬里修書只為牆,讓他三尺有何妨?
長城萬里今猶在,不見當年秦始皇。
──明‧林瀚〈誡子弟〉
A petition from ten thousand miles away, just for a wall,
Why not yield three feet, after all?
The Great Wall still stands, ten thousand miles long,
Yet, where is the Emperor Qin, once so strong?
-- Lin Han, Ming Dynasty, "Admonishing Disciples"