Every tree planted today is a promise to tomorrow.
今天种下的每一棵树，都是对明天的承诺。
We must balance the need for affordable energy today with the imperative of building a sustainable energy future.
The deepest theorems often arise from the simplest observations.
The poet is the one who makes the world sing.
文章是天地的精华，是阴阳刚柔之气的表现。
A building should speak of its time and place, but yearn for timelessness.
编辑是一项改写活动。
释义：在富贵时，朋友无数；一旦遭遇困难，却无人帮助。
暴力中没有长存的希望，只能从绝望中得到暂时的解脱。