Sustainability isn't an option—it's the foundation of our future.

从自然科学之杯的第一口会让你变成无神论者，但在杯底上帝正等着你。

数学是人类精神最美丽和最强大的创造。

The resources we extract must be matched by the value we create for society.

We are all in the gutter, but some of us are looking at the stars.