Why should we build our happiness on the opinons of others, when we can find it in our own hearts?

Why should we build our happiness on the opinons of others, when we can find it in our own hearts?

为什么我们要把自己的快乐建立在别人的观点上，而我们却能在自己的心中找到快乐?

-- Jean-Jacques Rousseau 让-雅克·卢梭