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.

创新不仅仅是技术的问题；它是关于改变思维方式和流程，以创造可持续的价值。

你无法回到过去改变开头，但可以从现在开始改变结局。