事物的美在于欣赏它们的心灵。
Beauty in things exists in the mind which contemplates them.
The man who has no inner life is the slave to his surroundings.
Every tree we plant today is a promise to tomorrow.
最大的风险是不冒任何风险。在一个快速变化的世界里，唯一注定失败的策略就是不冒险。