shùn rì yáo nián
sage Emperors Shun and Yao rule every day (idiom); all for the best in the best of all possible worlds
舜
shùn
Shun (c. 23rd century BC), mythical sage and leader
日
rì
abbr. for 日本[Ri4 ben3], Japan
尧
yáo
surname Yao
年
nián
grain