The only way to do great work is to love what you do.
自己不能胜任的事,切勿轻易答应别人;既经允诺,就必须实践自己的诺言。
一个幸福晚年的秘决不是别的,而是与孤寂签订一个体面的协定。
The forest doesn't need us, but we need the forest—our survival depends on it.
【释义】经过多年努力也还不够,一旦毁坏却十分彻底。