The worst pain a man can suffer is to have insight into much and power over nothing.

The greatest sweetener of human life is Friendship. To raise this to the highest pitch of enjoyment, is a secret which but few discover.

Psychology should help us understand how we meet life's challenges.

每个角色都是一次新的旅程，一次对人性的新探索。

译文：悔悟是去除疾病的药，然而以改正错误为可贵，如果把悔悟滞留在心中，那么又会因为药而引发新的疾病。

每一棵种植的树都是治愈地球的一步，但真正的改变需要系统性行动。