Lock up your libraries if you like; but there is no gate, no lock, no bolt that you can set upon the freedom of my mind.
The most profound ideas in mathematics often arise from the simplest observations.
Sustainability isn't a trend—it's a necessity. The choices we make today will define the health of our oceans tomorrow.
Every seed holds the potential to change the world.
I don't believe in harmony in the traditional sense. I believe in intensity.
Profitability and sustainability must go hand in hand, or neither will last.
平凡中也有一种美,只要你愿意花时间去发现。