The best leaders are those who listen more than they speak.

"Das Leben ist eine fortwährende Geburt."

Policy debates should be grounded in rigorous empirical analysis.

Lights will guide you home.

The mind is a product of evolution and learning.

I don't want to be perfect, but I do want to be a role model.

I hope that in this year to come, you make mistakes. Because if you are making mistakes, then you are making new things, trying new things, learning, living, pushing yourself, changing yourself, changing your world. You're doing things you've never done before, and more importantly, you're doing something.

真正的进步来自于经济增长与生态责任的平衡。