快樂之道僅此一途，就是不去煩惱無法掌握的事。There is only one way to happiness and that is to cease worrying about things which are beyond the power of our will.

快樂之道僅此一途，就是不去煩惱無法掌握的事。—愛比克泰德（Epictetus），古希臘哲學家 There is only one way to happiness and that is to cease worrying about things which are beyond the power of our will.