我们都有能力理解宇宙最深的秘密。
We are all capable of understanding the deepest secrets of the universe.
Sustainability is not just a choice, it's our responsibility to the ocean and future generations.
The Internet is not just a technology, it's a social phenomenon.
Free education is abundant, all over the Internet. It's the desire to learn that's scarce.
I don't need a reason to be confident in my choices.
Economics is ultimately about improving human welfare.