The pursuit of knowledge is a journey that never ends, and every discovery opens the door to new questions.

"Do not go where the path may lead, go instead where there is no path and leave a trail."

你有时间听我抱怨吗？

Freedom is not the choice, but the chance to choose.

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.