森林的真正价值不是用板英尺来衡量的，而是用生物多样性来衡量的。
经济学的目标是理解如何以最高效的方式分配稀缺资源。
Success is not the key to happiness. Happiness is the key to success. If you love what you are doing, you will be successful.
卡塞尔文献展必须始终令人惊讶，始终激发思考。
In one of the stars I shall be living。 In one of them I shall be laughing。 And so it will be as if all the stars were laughing， when you look at the sky at night… You – only you – will have stars that can laugh.