我们进步的考验不在于我们为那些拥有很多的人增添更多，而在于我们是否为那些拥有太少的人提供足够。

The essence of science is not in the knowing but in the seeking.

Reading is faster than listening. Doing is faster than watching.

Sustainability isn't a trend; it's a responsibility we owe to future generations.

The most dangerous phrase in business is 'we've always done it this way.'

Sustainability is not just about planting trees; it's about planting the right trees in the right places for the right reasons.

The young do not know enough to be prudent, and therefore they attempt the impossible, and achieve it, generation after generation.