Every mathematical problem is a window into a new world of understanding.

When you invest in soil health, you're investing in the health of future generations.

Education alone is not enough to lift people out of poverty; we need to address the broader system.

The only way to do great work is to love what you do.

I'm not afraid to take a stand. Everybody come take my hand. We'll walk this road together, through the storm. Whatever weather, cold or warm. Just let you know that, you're not alone.

反对森林砍伐的斗争是为人类的未来而战。