你能花在孩子身上最好的东西就是时间。
To live is the rarest thing in the world. Most people exist, that is all.
The tools we use to detect exoplanets are constantly evolving, pushing the boundaries of what we thought was possible.
The only true wisdom is in knowing you know nothing.
每一项科学发现都应该以其对人类福祉的贡献来衡量。
要理解一个生命,你必须吞下整个世界。