—— 请按键盘 空白键 开始游戏 ——

The key to success is not just technology, but how you use it to solve real problems.
"Always be transparent about the limitations of your study."
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.
The study of black holes has revolutionized our understanding of space and time.