The space between objects speaks as loudly as the objects themselves.

I would like to fly in space.Absolutely.That would be cool.I used to just do personally risky things， but now I’ve got kids and responsibilities， so I can’t be my own test pilot.That wouldn’t be a good idea.But I definitely want to fly as soon as it’s a sensible thing to do.

To write is to engage with the world.

测量的精确性不仅仅是技术问题，更是拓展人类知识边界的关键。