The second half of Fan Zhongyan's (
范仲淹) famous couplet in 《
岳阳楼记》 (Account of Yueyang Tower, 1046):
先天下之忧而忧,
后天下之乐而乐 — 'Worry before the world worries, rejoice after the world rejoices.' Fan wrote it for an exiled friend, defining the ideal of the selfless scholar-official.