生活的目的不是快乐。它是有用的，是光荣的，是富有同情心的，是让你活得有意义，活得好。
The purpose of life is not to be happy. It is to be useful, to be honorable, to be compassionate, to have it make some difference that you have lived and lived well.
树是希望的象征，扎根于当下，伸向未来。
The greatest happiness for the laborer consists in having an abundant supply of the necessaries of life.
你想用卖糖水来度过余生，还是想要一个机会来改变世界？
证明某事可能的唯一方法就是去做。
人类的未来掌握在那些能够将智慧和美的火炬带入黑暗中的人手中。