jiāng shān yì gǎi bǐng xìng nán yí
rivers and mountains are easy to change, man's character much harder
江
jiāng
(bound form) Yangtze River
山
shān
mountain; hill (CL:座[zuo4])
易
yì
abbr. for 易經|易经[Yi4 jing1], the Book of Changes
改
gǎi
to change
禀
bǐng
to make a report (to a superior)
性
xìng
nature
难
nán
difficult (to...)
移
yí
to move