请务必花时间阅读纪念碑旁边的铭文细节。
Always read the plaque next to the monument.
The best way to be happy is to let go of what you can’t control.
做好事如同背负重物而登山,志向虽已确立,但总是担心力不从心;干坏事如同骑马下山,虽然未加鞭,但却欲驻足而难以自禁。
Behavior is determined by the total situation.