可持续性不仅仅是一种趋势——这是我们为下一代的责任。
Duty is the most sublime word in our language. Do your duty in all things. You cannot do more. You should never wish to do less.
强大但是骄傲就会削弱力量,弱小而骄傲只会加速灭亡。
The supreme question about a work of art is out of how deep a life does it spring.