It always seems impossible until it's done.
Escribir es un acto de amor, de compromiso con la realidad y con los demás.
The future of the Internet is not about technology, it's about people.
A man should always consider how much he has more than he wants.
每一片我们没有回收的塑料都是我们系统和责任的失败。
The interplay between topology and symmetry in materials can lead to unexpected and exciting physical phenomena.