可持续性不是附加品，而是一种思维方式。

写作是对抗遗忘的一种形式。

Sustainability must be profitable, or it won't be sustainable.

可持续性不再是可选项；它是企业长期生存的必要条件。

Generations to come will scarcely believe that such a one as this walked the earth in flesh and blood.

The future belongs to those who give the next generation reason for hope.

数学的美在于它既是艺术又是科学。