问题的数学表述通常比其解决方案更重要，后者可能仅仅是数学或实验技巧的问题。

A company is only as strong as its people. Invest in them, and they will invest in you.

The most effective policies are often the simplest ones.

真正的挑战不是生产更多粮食，而是用更少的浪费更聪明地种植。

Sustainability is not a sacrifice—it's an opportunity.

发现的喜悦无疑是人类心灵所能感受到的最活跃的。

Theorems are not discovered by accident.

我们从未放下任何事，我们只是继续下一件事。